I apologise if this is a little long - I don't want to drip feed 
My husband's best friend is getting married next year and my husband is Best Man. As Sods Law would have it I fell pregnant earlier this year and my due date fell a week after the Wedding. I am classed as high risk pregnancy because of pre-existing health conditions I have. The Wedding Venue is 2 hours away from where we live and away from the hospital I'm due to give birth in - I have been sent to a certain hospital as they are better equipped to deal with the labour and my health complications. As a result I declined my invite to the Wedding as I didn't want to be so far away from the hospital so close to my due date plus I'd probably feel like cr*p and wouldn't want to be on my feet all day etc- the couple understood this perfectly and it wasn't a problem. It was agreed husband would still go due to his important role and the fact that hopefully I would not go into labour. He would not be drinking at the Wedding so that although it is a long distance away he would still be able to drive back to me if needed.
However, last week myself and the obstetrician came to the decision that due to my health I would have an planned c-section which they will do when I'm 39-39 weeks which as it turns out will be about 2-3 days before the wedding. She is not allowed to give me a definite date until I'm 36 weeks pregnant.
I obviously now don't want my husband to go to the Wedding - I know it is his best friend and he is Best Man but I am going to want him here with me. I envision struggling at first with a newborn and c-sec and don't want to be on the ward, in difficulties and having nobody to help. His parents have said they will come and sit with me but I don't want them, I want my husband. I'm not sure I want them sitting there watching me trying to breast feed or helping me to the toilet etc. There is also a good chance my health will deteriorate after the birth and I just need to know my husband will be there. I also gave the possibility of the scenario that if everything goes better than planned they may even discharge me on the day of the Wedding, and I want him to be the one to take his son home for the first time and be there on his son's first day at home, not his parents.
The official RSVP slips for the Wedding have to be in this Friday and my husband has still not come to a decision as to what to do. He has said that if he agrees to be Best Man and there is a problem following the c-sec then he just won't go to the Wedding as me and the baby will obviously be his priority but I said it would be selfish of him to just ring up the Groom the day before the Wedding and say, "I know I'm your Best Man, but sorry, I won't be coming" it would be so, so unfair to the couple. I actually think there would be a very good chance he won't actually be able to attend the Weeding so why not just accept that and allow the couple to have another Best Man that won't have to let them down on the day? I said the couple will paying for your suit, having all the seating plans made with your name on, keeping a seat for you on the top table, be expecting a speech etc - I said it just isn't fair to take all that away from them at the last minute, everyone deserves their wedding to go as perfectly as possible.
I think part of me is hurt that he hasn't just said flat out that he won't go. I don't understand why he can't see that he needs to be with me and the baby first and foremost. But at the same time, it is his really close friend, they have been friends since forever, he is so excited about being Best
Man and who is say I will actually need him there? I could be absolutely fine and be able to manage a day without him no problems.i would hate for him to miss out on the Wedding/Best Man experience if he didn't need to but I'm just trying to be realistic. I would never stop my husband doing anything and the decision has to be his but I just want him to see the potential realities and complexities of the situation.
Am I being unreasonable to expect him to just pull out of the Wedding?