{"id":113420,"date":"2025-09-03T12:35:56","date_gmt":"2025-09-03T03:35:56","guid":{"rendered":"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/"},"modified":"2025-09-03T13:24:25","modified_gmt":"2025-09-03T04:24:25","slug":"dangerous-habits-pregnancy-nipt","status":"publish","type":"post","link":"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en","title":{"rendered":"Dangerous Lifestyle Habits to Quit During Pregnancy"},"content":{"rendered":"\n<p>Pregnancy is a period that brings significant changes to a woman\u2019s body. The growth of the fetus is strongly influenced by the mother\u2019s lifestyle habits, and routines that may seem harmless in daily life can sometimes lead to unexpected risks. In particular, smoking, drinking alcohol, sleep deprivation, and poor eating habits have been medically identified as factors that increase the risk of miscarriage, premature birth, and fetal growth restriction. Furthermore, for pregnant women planning to undergo <a href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/\">NIPT<\/a> (non-invasive prenatal testing), which has gained attention in recent years, reviewing lifestyle habits is also an important part of preparation. This article will provide a detailed explanation of dangerous lifestyle habits to avoid during pregnancy, the risks behind them, and concrete approaches for improvement.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#1_The_Effects_of_Smoking_on_the_Fetus\" >1. The Effects of Smoking on the Fetus<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#1-1_The_Dangers_of_Passive_Smoking\" >1-1. The Dangers of Passive Smoking<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#1-2_The_Relationship_Between_Smoking_and_NIPT\" >1-2. The Relationship Between Smoking and NIPT<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#2_Alcohol_Consumption_and_Fetal_Alcohol_Syndrome\" >2. Alcohol Consumption and Fetal Alcohol Syndrome<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#2-1_Even_Small_Amounts_Carry_Risk\" >2-1. Even Small Amounts Carry Risk<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#2-2_Alcohol_and_Emotional_Impact\" >2-2. Alcohol and Emotional Impact<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#3_Excessive_Caffeine_Intake\" >3. Excessive Caffeine Intake<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#3-1_The_Effects_of_Caffeine_on_the_Fetus\" >3-1. The Effects of Caffeine on the Fetus<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#3-2_Guidelines_for_Safe_Intake\" >3-2. Guidelines for Safe Intake<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#4Excessive_Dieting_and_Nutritional_Deficiency\" >4.Excessive Dieting and Nutritional Deficiency<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#4-1_Misconceptions_and_Risks_Regarding_Weight_Management_During_Pregnancy\" >4-1. Misconceptions and Risks Regarding Weight Management During Pregnancy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#4-2_The_Effects_of_Extreme_Dieting_on_the_Fetus\" >4-2. The Effects of Extreme Dieting on the Fetus<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#4-3_Essential_Nutrients_During_Pregnancy_and_Their_Roles\" >4-3. Essential Nutrients During Pregnancy and Their Roles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#4-4_Pitfalls_of_Trendy_Diets\" >4-4. Pitfalls of Trendy Diets<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#4-5_Relationship_with_NIPT\" >4-5. Relationship with NIPT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#4-6_Practical_Methods_for_Healthy_Weight_Management\" >4-6. Practical Methods for Healthy Weight Management<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#5_Sleep_Deprivation_and_Excessive_Stress\" >5. Sleep Deprivation and Excessive Stress<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#5-1_Risks_of_Sleep_Deprivation\" >5-1. Risks of Sleep Deprivation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#5-2_Stress_and_Fetal_Development\" >5-2. Stress and Fetal Development<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#6_Habits_That_Increase_the_Risk_of_Infection\" >6. Habits That Increase the Risk of Infection<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#6-1_Consumption_of_Raw_or_Undercooked_Food\" >6-1. Consumption of Raw or Undercooked Food<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#6-2_Contact_with_Pets\" >6-2. Contact with Pets<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#7_Support_for_Quitting_Alcohol_Tobacco_and_Drug_Dependence\" >7. Support for Quitting Alcohol, Tobacco, and Drug Dependence<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#7-1_Utilizing_Smoking_and_Alcohol_Cessation_Clinics\" >7-1. Utilizing Smoking and Alcohol Cessation Clinics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#7-2Understanding_and_Support_from_Those_Around_You\" >7-2.Understanding and Support from Those Around You<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_The_Effects_of_Smoking_on_the_Fetus\"><\/span><strong>1. The Effects of Smoking on the Fetus<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1-1_The_Dangers_of_Passive_Smoking\"><\/span><strong>1-1. The Dangers of Passive Smoking<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Smoking is one of the habits that should be most strongly avoided during pregnancy. Cigarette smoke contains harmful substances such as nicotine and carbon monoxide, which can pass through the placenta and adversely affect the fetus. Carbon monoxide in particular interferes with oxygen supply in the blood, leading to fetal hypoxia, growth restriction, and increased risk of premature birth. Moreover, even if the pregnant woman herself does not smoke, passive smoking at home or in the workplace presents the same risks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1-2_The_Relationship_Between_Smoking_and_NIPT\"><\/span><strong>1-2. The Relationship Between Smoking and NIPT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/\">NIPT<\/a> is a test that examines the risk of chromosomal abnormalities in the fetus using maternal blood. Smoking can alter blood components, which may affect the efficiency of blood collection and testing. Although it does not directly impair test accuracy, from the perspective of health management, quitting smoking is considered essential.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Alcohol_Consumption_and_Fetal_Alcohol_Syndrome\"><\/span><strong>2. Alcohol Consumption and Fetal Alcohol Syndrome<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-1_Even_Small_Amounts_Carry_Risk\"><\/span><strong>2-1. Even Small Amounts Carry Risk<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Drinking alcohol during pregnancy is often misunderstood as \u201csafe in small amounts,\u201d but the only way to completely eliminate the risk of fetal alcohol syndrome (FAS) is abstinence. Alcohol passes through the placenta to the fetus and may interfere with the development of the central nervous system, heart, and other organs. Particularly in early pregnancy, when organ formation is underway, even small amounts of alcohol can raise concerns.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-2_Alcohol_and_Emotional_Impact\"><\/span>2-2. Alcohol and Emotional Impact<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Drinking during pregnancy has also been linked to developmental and learning disabilities after birth, and it may worsen maternal anxiety or tendencies toward dependence. Strict abstinence from alcohol is required to ensure a safe and secure pregnancy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Excessive_Caffeine_Intake\"><\/span><strong>3. Excessive Caffeine Intake<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-1_The_Effects_of_Caffeine_on_the_Fetus\"><\/span>3-1. The Effects of Caffeine on the Fetus<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Caffeine, found in coffee, tea, and energy drinks, stimulates the central nervous system. During pregnancy, caffeine metabolism slows, and the fetus has little to no ability to break it down. Excessive intake has been pointed out as a factor that may increase the risk of low birth weight or miscarriage.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-2_Guidelines_for_Safe_Intake\"><\/span>3-2. Guidelines for Safe Intake<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The World Health Organization (WHO) and the European Food Safety Authority (EFSA) recommend that pregnant women keep daily caffeine intake below 200 mg. Since one cup of coffee contains about 100 mg, the guideline is within two cups per day.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4Excessive_Dieting_and_Nutritional_Deficiency\"><\/span><strong>4.Excessive Dieting and Nutritional Deficiency<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-1_Misconceptions_and_Risks_Regarding_Weight_Management_During_Pregnancy\"><\/span><strong>4-1. Misconceptions and Risks Regarding Weight Management During Pregnancy<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Weight gain during pregnancy is unavoidable, but some women severely restrict food intake due to reasons such as \u201cweight gain makes childbirth harder\u201d or \u201cI don\u2019t want to look overweight.\u201d However, weight gain in pregnancy is necessary for fetal growth and does not simply mean \u201cgetting fat.\u201d The Ministry of Health, Labour and Welfare\u2019s \u201cDietary Guidelines for Pregnant and Lactating Women\u201d sets appropriate weight gain ranges according to pre-pregnancy BMI:<br>BMI below 18.5 (underweight): 9\u201312 kg<br>BMI 18.5\u201325 (normal): 7\u201312 kg<br>BMI 25 or higher (overweight): to be discussed individually with a physician<\/p>\n\n\n\n<p>Keeping weight gain far below these levels is said to increase the risk of low birth weight or premature birth.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-2_The_Effects_of_Extreme_Dieting_on_the_Fetus\"><\/span><strong>4-2. The Effects of Extreme Dieting on the Fetus<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n\n\n\n<p>Severe dietary restrictions may cause the following:<br>\u30fbGrowth restriction: Insufficient nutrients can cause intrauterine growth restriction (IUGR).<br>\u30fbLow birth weight: Babies weighing less than 2,500 g may have weak immunity and strength, with increased risk of lifestyle-related diseases later in life.<br>\u30fbDelayed neurodevelopment: Nutritional deficiencies in early to mid-pregnancy increase risks such as neural tube defects.<br>\u30fbReduced amniotic fluid: Maternal undernutrition may reduce amniotic fluid, affecting fetal development and safety during delivery.<\/p>\n\n\n\n<p>In other words, the mother\u2019s desire to \u201close weight\u201d may burden the fetus with lifelong health risks.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"640\" height=\"414\" src=\"\/nipt\/wp-content\/uploads\/2025\/09\/33215754_s-1.jpg\" alt=\"\u5973\u6027\u30c0\u30a4\u30a8\u30c3\u30c8\" class=\"wp-image-113414\"\/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-3_Essential_Nutrients_During_Pregnancy_and_Their_Roles\"><\/span><strong>4-3. Essential Nutrients During Pregnancy and Their Roles<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n\n\n\n<p>Pregnancy requires more nutrients than usual. It is important to understand those that are particularly likely to be deficient and aim for a balanced diet.<br>\u30fbFolic acid: Essential in early pregnancy. Prevents neural tube defects and supports brain and spinal cord development. Recommended daily intake is 400 \u03bcg, often supplemented with tablets.<br>\u30fbIron: Maternal blood volume increases to about 1.5 times by late pregnancy, raising the risk of iron-deficiency anemia, which can cause premature birth or low birth weight.<br>\u30fbCalcium: Essential for fetal bone and tooth development. Deficiency increases risks of reduced maternal bone density or gestational hypertension.<br>\u30fbProtein: Required for muscle, organ, and placenta formation. Should be consumed in balance from meat, fish, eggs, and soy products.<br>\u30fbDHA\/EPA: Essential fatty acids important for fetal brain and vision development. Should be supplemented through oily fish or tablets.<br>\u30fbVitamin D: Supports calcium absorption. Often deficient due to lack of sun exposure or dietary restrictions.<\/p>\n\n\n\n<p>A Japanese-style diet combining staple food, main dish, and side dishes is considered ideal to avoid deficiencies or excess.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-4_Pitfalls_of_Trendy_Diets\"><\/span><strong>4-4. Pitfalls of Trendy Diets<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n\n\n\n<p>Some women attempt diets such as \u201clow-carb\u201d or \u201cfasting\u201d during pregnancy. However, carbohydrates are the fetus\u2019s main energy source for brain development, and drastic reduction is dangerous. Fasting may cause hypoglycemia, leading to dizziness or fainting in the mother and growth restriction in the fetus. Commercial \u201cdiet foods for pregnant women\u201d and supplements may also contain unverified ingredients. It is important not to impose restrictions on one\u2019s own judgment but to consult a physician or nutritionist.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-5_Relationship_with_NIPT\"><\/span><strong>4-5. Relationship with NIPT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/\">NIPT<\/a> involves blood collection, and if the mother is severely malnourished, blood condition may be unstable, increasing the likelihood of anemia during collection. Poor nutritional status may also hinder recovery after testing. Thus, proper nutrition management is especially important for pregnant women undergoing <a href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/\">NIPT<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-6_Practical_Methods_for_Healthy_Weight_Management\"><\/span><strong>4-6. Practical Methods for Healthy Weight Management<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The ideal is balancing \u201cnot gaining too much\u201d and \u201cnot being too thin.\u201d Practical methods include:<br>\u30fbFrequent small meals: Instead of three large meals, divide into four or five smaller ones to reduce digestive burden while ensuring adequate nutrition.<br>\u30fbSmart snacks: Incorporate nuts, yogurt, and fruit to prevent hunger and supplement nutrients.<br>\u30fbJapanese-style meals: Base meals on rice, fish, and vegetables, while limiting fried foods and sweet breads.<br>\u30fbConsult professionals: If weight gain exceeds guidelines, consult a doctor instead of deciding alone.<\/p>\n\n\n\n<p>Weight management during pregnancy is about \u201cadjustment,\u201d not \u201crestriction.\u201d A healthy lifestyle should be pursued with fetal development as the top priority.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Sleep_Deprivation_and_Excessive_Stress\"><\/span><strong>5. Sleep Deprivation and Excessive Stress<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5-1_Risks_of_Sleep_Deprivation\"><\/span><strong>5-1. Risks of Sleep Deprivation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Pregnant women often experience shallow sleep due to hormonal influences or discomfort from body changes. Chronic sleep deprivation, however, lowers maternal immunity, increases risk of hypertensive disorders, and may negatively affect fetal development.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5-2_Stress_and_Fetal_Development\"><\/span><strong>5-2. Stress and Fetal Development<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Studies have shown that strong stress in pregnant women can lead to premature birth or fetal growth restriction. Stress hormones may also pass through the placenta and affect fetal development, even influencing behavioral development after birth.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Habits_That_Increase_the_Risk_of_Infection\"><\/span><strong>6. Habits That Increase the Risk of Infection<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6-1_Consumption_of_Raw_or_Undercooked_Food\"><\/span><strong>6-1. Consumption of Raw or Undercooked Food<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Toxoplasma and Listeria bacteria may be transmitted through raw meat or unpasteurized cheese. These can cause serious congenital conditions in the fetus, so thorough cooking is essential.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6-2_Contact_with_Pets\"><\/span><strong>6-2. Contact with Pets<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Toxoplasma can also be transmitted through cat feces. It is recommended that pregnant women avoid cleaning litter boxes or use gloves when doing so.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Support_for_Quitting_Alcohol_Tobacco_and_Drug_Dependence\"><\/span><strong>7. Support for Quitting Alcohol, Tobacco, and Drug Dependence<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7-1_Utilizing_Smoking_and_Alcohol_Cessation_Clinics\"><\/span><strong>7-1. Utilizing Smoking and Alcohol Cessation Clinics<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>If quitting is too difficult, it is effective to use smoking cessation or alcohol cessation programs at medical institutions. Since willpower alone may not be enough during pregnancy, professional support is recommended.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7-2Understanding_and_Support_from_Those_Around_You\"><\/span><strong>7-2.Understanding and Support from Those Around You<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>When family and partners join in efforts to quit smoking and drinking, the burden on pregnant women is greatly reduced. Improving lifestyle habits is not just a personal matter but an opportunity to raise the health awareness of the entire family.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n\n<p>Dangerous lifestyle habits to avoid during pregnancy include smoking, drinking alcohol, excessive caffeine intake, extreme dieting, sleep deprivation, and behaviors that increase infection risk. All of these are directly linked to the health of both mother and fetus, and each improvement contributes to a safer pregnancy. Maintaining healthy lifestyle habits is also an important preparation for undergoing prenatal tests such as <a href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/\">NIPT<\/a>. By reviewing lifestyle habits and receiving medical support when necessary, pregnant women can ensure a healthy and secure pregnancy for both mother and child.<\/p>\n","protected":false},"excerpt":{"rendered":"Pregnancy is a perio&#8230;\n <a href=\"https:\/\/www.hiro-clinic.or.jp\/nipt\/dangerous-habits-pregnancy-nipt\/?lang=en\">\u7d9a\u304d\u3092\u8aad\u3080<\/a>","protected":false},"author":151,"featured_media":110056,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[97],"tags":[],"class_list":["post-113420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/posts\/113420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/users\/151"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/comments?post=113420"}],"version-history":[{"count":2,"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/posts\/113420\/revisions"}],"predecessor-version":[{"id":113429,"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/posts\/113420\/revisions\/113429"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/media\/110056"}],"wp:attachment":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/media?parent=113420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/categories?post=113420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nipt\/wp-json\/wp\/v2\/tags?post=113420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}