Check out this article (and many other fantastic articles written by fellow NDs!) that I authored for Naturopathic Currents here:
https://naturopathiccurrents.com/articles/postpartum-the-fourth-trimester
INTERESTED IN READING MORE?
I have seen great variation in the amount of time it takes for a woman’s period to return and regulate. To start, prolactin is the main hormone responsible for milk production. And when elevated (hence, for breastfeeding) it works to prevent ovulation.
When you have healthy, restful sleep, cortisol levels are reduced to their lowest levels (typically around midnight). If cortisol doesn’t drop appropriately, this contributes to fat production and provides very little fuel (glycogen) to the muscles. So, you’ve got weight gain. And you’re tired.