During pregnancy, your estrogen and progesterone levels are at an all-time high. In fact, ​​you will produce more estrogen during one pregnancy than throughout your entire life when not pregnant! But what happens after you’ve given birth? Those hormones don’t stick around forever. So today, we’re talking about the postpartum hormone crash – what exactly happens, how long it lasts, and why taking notice of hormonal changes now can help you feel better as you age.