Crazy hormones?

Jen • I'm 34 with b/g twins via IVF FET, born 11/2016. Had a mc after first IVF/FET, 3 failed IUI, mild endo. 1% morphology
Has anyone felt like your hormones took over your emotions after a miscarriage/D&C? All of a sudden yesterday (4 days after D&C for missed miscarriage), I start crying and can't stop...even today. I feel like it must be a shift in hormones causing this.