Point the big finger of blame at the (aptly-named) pregnancy hormone relaxin ... Has your bump got noticeably bigger this week? Check out other MFMers' belfies in our 16 week bump gallery. Did you ...

Medically reviewed by Sanaz Ghazal, MD Breast pain during pregnancy occurs due to hormonal changes as your body prepares to produce milk. Breasts that feel tender, heavy, tingly, or even sore are ...