question: My wife has done IVF on 26 Dec 2011. Doctor given me progesterone injection and tablets. on 5th january after 10 days she got reaction. There is roung swelling on many parts of the body. Her lips has swollen 2 times. She has taken avil injection but no relief.. Next days her eyes are sllowen much more and also other parts of body in round form.. Again taken avil injection. no relief. On 7th january 2012 i taken allegra 180mg, found some relief. but other part of body is gettingg swelling. Ellegra is category c pregnancy medicine. i want to know it can harm the foetus??? Is it safe medicine during pregnancy?? Please reply me.