Ok so this is my first IVF and my first forum post. I had my EC on 27th July 2013 and got 10 eggs. Only 1 fertilised so they transferred it on day 2 (29th). I was still very sore and a bit sick post surgery when they transferred my little 2 day. I hadn't healed by the time they transferred so I still needed help walking around and dressing myself etc as the surgery really knocked me around plus mild OHSS. Ever since I found out that only 1 fertilised, I have felt very negative and feel as though it will be very unsuccessful. I can't see how the only little 2 day embryo could survive after such bad luck with the fertilisation. I'm really trying to be positive but in the back of my mind, I am going crazy. I have had cramping since a day or two after the transfer which I thought might be from the wounds healing still or from the transfer. My RE never told me not to have sex but I have read everywhere that you're not meant to until you hear a heartbeat etc. Anyway, lastnight we couldn't help ourselves and had fairly "gentle" sex (in which I orgasmed) and now I haven't had the cramping since. I am concerned that I have killed it (if it was there). Also, I have been under stress from other situations on top of the stress from IVF and I have had a few very stressful and emotional arguments that I thought might affect the embryo (if it exists still). Can someone please shed some light on whether these things could hurt the embryo. The only support I have is my partner and he is sick of hearing about it (only because I talk about it constantly). Poor him! I don't know if I can go through this again. The waiting and not knowing is stressful enough. Thank you!