99. What actually causes PMS?!
We've all experienced some form of PMS before! It's soooo common but that doesn't mean it's NORMAL! Moderate to severe PMS is the result of a hormonal imbalance.
Here's what we get into:
You produce estrogen in your follicular phase (the phase after your period)
You produce progesterone in your luteal phase (because ovulation creates progesterone & your luteal phase is after ovulation)
Progesterone declines midway through your luteal phase if you're not pregnant & this drop in hormones causes your period to come.
Moderate to severe pms is from imbalances in the luteal phase. Specifically…
The skinny
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