Nutrition During Pregnancy — Evidence-Based Guidance
Optimal nutrition during pregnancy supports fetal growth and development, reduces the risk of pregnancy complications including anaemia, gestational diabetes, and pre-eclampsia, and supports the mother’s long-term metabolic health. At Balaji Horizon Women’s Hospital, nutritional counselling is integrated into every antenatal visit — not as generic advice, but as personalised guidance based on each patient’s investigations, dietary pattern, and gestational age.
Folic Acid — Before and During Pregnancy
Folic acid (vitamin B9) supplementation before conception and in the first trimester is the most evidence-based intervention to prevent neural tube defects (NTDs) including spina bifida and anencephaly. Standard dose is 0.4–1 mg daily for low-risk women; 5 mg daily for women with prior NTD-affected pregnancy, epilepsy on antifolate medication, pre-existing diabetes, or malabsorption disorders. Supplementation should ideally begin 1–3 months pre-conception and continue through 12 weeks of gestation.
Iron Supplementation and Anaemia Management
Iron deficiency anaemia is the most prevalent nutritional deficiency in pregnancy in India, affecting approximately 50% of pregnant women. Untreated anaemia increases risk of preterm birth, low birth weight, and postpartum haemorrhage. Haemoglobin is measured at booking, 28 weeks, and 36 weeks. Supplementation with elemental iron 60 mg daily is standard FOGSI guidance; women with haemoglobin below 9 g/dL require higher doses and close monitoring. Dietary iron sources (green leafy vegetables, legumes, jaggery) and enhancers of iron absorption (vitamin C-containing foods) are discussed. Intravenous iron infusion is offered for severe anaemia or oral intolerance, and blood transfusion for haemoglobin below 7 g/dL in the third trimester.
Calcium and Vitamin D
Calcium supplementation (1.5–2 g elemental calcium daily in two divided doses) is recommended from 20 weeks for women with low calcium intake — which includes most Indian women — to reduce the risk of pre-eclampsia (WHO evidence grade moderate quality). Vitamin D deficiency is near-universal in Indian pregnancies. 600 IU daily is the minimum recommended; supplementation is adjusted based on measured 25-OH vitamin D levels where available.
Gestational Weight Gain
Appropriate gestational weight gain reduces complications at both ends of the spectrum. IOM/WHO guidelines for singleton pregnancies: underweight women (BMI <18.5 kg/m²) — 12.5–18 kg; normal weight (BMI 18.5–24.9) — 11.5–16 kg; overweight (BMI 25–29.9) — 7–11.5 kg; obese (BMI ≥30) — 5–9 kg. Excessive weight gain increases risk of gestational diabetes, macrosomia, and caesarean section. Insufficient weight gain increases risk of IUGR and preterm birth. Weight is plotted at each visit and individualised advice provided.
Foods to Avoid in Pregnancy
Evidence-based dietary restrictions during pregnancy include: raw or undercooked meat and eggs (Salmonella, Toxoplasma risk), unpasteurised dairy (Listeria risk), high-mercury fish (shark, swordfish, king mackerel), excess vitamin A from liver or retinol supplements (teratogenic in excess), alcohol (no safe level established), and raw sprouts. These restrictions are discussed practically at booking with cultural context for Indian dietary patterns.
Gestational Diabetes — Nutritional Management
Women diagnosed with gestational diabetes receive structured medical nutrition therapy (MNT) as the first-line intervention. This involves carbohydrate-controlled, balanced meals spread across 3 main meals and 2–3 snacks, targeting post-meal glucose below 120 mg/dL. A low glycaemic index diet, regular light-moderate physical activity, and daily glucose self-monitoring are recommended. Insulin or oral hypoglycaemics are added only when glucose targets are not met on MNT alone.
Book a nutritional consultation: Call +91 +91 97234 31544 | Balaji Horizon Women’s Hospital, Science City Road, Ahmedabad.