Today is my Day 14 after embryo transfer. I am schedule for a pregnancy test on monday October 29, 2012. I am currently taking vaginal suppositories progesterone and last night I eat pasta with sardines and developed through the night a lot of big swollen hives in my legs, butt and face. What could have provoke this hived to develope? Its very itchy and I don t know what I should do now? Please help. Thank you.