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Practitioner-grade · MTHFR-aware
Pregnancy & Hormones
Nowhere are the stakes of methylation higher than in reproductive biology. Folate — specifically the bioactive form 5-MTHF — is required for DNA synthesis during rapid fetal cell division, and neural tube defects remain the most-cited consequence of inadequate folate in early pregnancy. For the ~30% of women who carry an MTHFR variant, the synthetic folic acid in most prenatal vitamins may not convert efficiently, making the pre-methylated form the safer bet.
Beyond pregnancy, methylation is the primary pathway by which the liver clears estrogen. Slow methylation → catechol estrogen accumulation → the symptom profile many women recognize as "estrogen dominance." COMT variants shape the downstream step and explain why some women metabolize hormones smoothly while others don't.
The articles below cover folate in pregnancy, MTHFR and miscarriage risk, and the estrogen-methylation connection.
In this guide
hormones
COMT clears dopamine and norepinephrine from your prefrontal cortex. One common polymorphism changes the speed — and shapes how you perform under stress. Here's what the research shows.
Apr 2, 2026 →hormones
Estrogen isn't just made — it has to be cleared. Here's how methylation (COMT and MTHFR) controls estrogen metabolism, and why it matters for hormone balance.
Mar 20, 2026 →pregnancy
Folate is the single most-recommended prenatal nutrient. Here's what the research says about form (5-MTHF vs folic acid), dose, timing, and why MTHFR carriers may need a different approach — always under OB supervision.
Feb 16, 2026 →pregnancy
The link between MTHFR variants and recurrent pregnancy loss is real but frequently overstated. Here's what the meta-analyses say, why context matters, and how practitioners approach it — always with OB supervision.
Feb 6, 2026 →