It's the relaxin that we start producing once we ovulate. It drops if you don't get pregnant, but if you do, it continues to increase throughout the pregnancy, according to pregnancyxl.com. Wouldn't it be nice if it were specific in only relaxing the ligaments around our pelvis?
If you can't afford better shoes, there are some nice inserts by Dr. Scholl's that might help you. My feet hurt like crazy every time. My DH rubs them, and I also roll them on a golf ball. Nothing stops them from getting bigger, though. I'm up a half size from before I started having kids. You might want to make sure your shoes still fit b/c that will cause added discomfort.
Home water birthing, non-circing, delayed vaxing, co-sleeping, babywearing, extended nursing Mommy to DS1 5/08, DS2 5/10 and wife to sweetest hubby ever.