An early 2017 study published by the US National Library of Medicine reveals that PMDD, an extreme form of PMS, may be linked to a response by certain genes to female sex hormones, reports women’s health expert Marla Ahlgrimm.
Q: What is premenstrual dysphoric disorder?
Marla Ahlgrimm: Premenstrual dysphoric disorder, or PMDD, is what I would describe as a severe form of PMS. Unlike PMS, PMDD doesn’t respond as well to traditional forms of therapy and may include extreme depression, mood swings, and debilitating anxiety.
Q: What causes it?
Marla Ahlgrimm: We know for sure that PMDD and PMS are both caused by issues surrounding female reproductive hormones, specifically estrogen and progesterone. However, according to Dr. Peter Schmidt, a researcher for the National Institute of Mental Health, scientists now have evidence at the cellular level that indicates certain women may have sudden cyclic behavioral changes due to a sensitivity to these sex hormones.









Nationally acclaimed women’s health expert 
Acclaimed women’s health and hormone expert 
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Marla Ahlgrimm has co-authored two ground-breaking books,