A word from Curtis Chan


Good evening San Francisco!  I hope everyone was able to enjoy the perks of folic acid awareness week.  This week was just the beginning of a new year, a year where awareness and action will be the driving force taking control of our very own health!

Today’s blog comes to us from the fabulous Curtis Chan, MD, MPH, Medical Director of Maternal, Adolescent & Child Health in SF.  Let’s here what he has to say….

  1. Importance of Folate
  • Vitamin B9, also called folic acid or folate is found naturally in some foods, including leafy green vegetables, citrus fruits, beans, salmon, and whole grains.   However, most women do not eat enough of these foods to provide the optimal health benefit of folic acid.
  • B9 is an essential nutrient for amino acid synthesis and DNA replication.  Hence, it’s particularly important during the critical first 8 weeks of pregnancy, during the critical window of early brain and spinal cord development of the fetus.
  • Compelling research showing that folic acid drastically prevented neural tube defects caused the US Preventive Services Taskforce and the National Academy of Sciences (1996) to recommend daily consumption of 400 mcg of folic acid.
  1. Study Findings
  • In July 2014, the American College of Obstetricians and Gynecologists (ACOG), the main professional organization for OB-GYN physicians, published in its highly reputable peer-reviewed scientific journal, Obstetrics and Gynecology, a research article from Harvard Medical School, “Maternal pre-pregnancy folate intake and risk of spontaneous abortion and stillbirth.”
  • The study showed that the risk of miscarriage (or spontaneous abortions) was 20% lower among women taking high amounts of folate acid (730 ug/d) compared to those with the lowest intake (0 ug/d).
  • Since 1992, public health and medical authorities have recommended that all women U.S. Preventive Services Task Force and Centers for Disease Control and Prevention recommend that all women capable of becoming pregnant take 400 micrograms of folic acid daily to prevent neural tube defects.  While many women aren’t familiar with the brain and spinal cord deformities of neural tube defects, research has since shown other health benefits of folic acid to the mother and infant.
  • The significant risk reduction in miscarriage is another important reminder about the benefits of women taking folic acid vitamins as part of their daily routine, before becoming pregnant.

Curtis Chan, MD, MPH

Medical Director of Maternal, Child & Adolescent Health

San Francisco Department of Public Health

30 Van Ness Avenue, Suite 260b, SF, CA 94102

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