Folic acid before and during pregnancy: what the evidence says
Team ParentVeda5 min read
Among all prenatal advice, the case for folic acid is one of the strongest. Decades of research link adequate folate around conception with a markedly lower risk of neural tube defects such as spina bifida.
What the studies show
- Folate is essential for the baby's neural tube, which forms very early — often before a pregnancy is even confirmed.
- Major health bodies recommend roughly 400 micrograms of folic acid daily for those planning a pregnancy and through early pregnancy.
- Some people — for example with certain medical histories — may be advised a higher dose by their doctor.
Why timing matters
Because the neural tube closes in the first weeks, starting before conception (or as early as possible) is what makes folic acid so effective. Food sources like leafy greens, dals and citrus help too, but a supplement is the dependable way to hit the target.
This is a general summary, not a prescription. ParentVeda offers gentle, evidence-informed guidance — not medical advice. Always check with your doctor for decisions about your pregnancy.
Source: Based on WHO and national health guidance on periconceptional folic acid supplementation.