Wedding 2 months after babies arrival

So my fiancé and I were supposed to be getting married August 2021 but due to recent health concerns with my dad (he’s had stage four cancer for the past 9 years and doctors say he’s entered “the last phase” of his terminal illness) we have made the difficult decision to move the wedding up to ensure he will be able to be there. Our baby girl is due July 14th and the only venue in our area with a fall opening is for September 18th. I’m confident in the decision to move the wedding up but Recently I have felt VERY emotional and worried about how I will feel on my wedding day if I’m potentially only 8 weeks postpartum. What if I don’t feel beautiful and happy on my wedding day because my body isn’t back to a size 10? What if sex still hurts and my husband and I can’t enjoy our first night as husband and wife in that way? But what if I don’t move the wedding up and then my dad can’t walk me down the aisle, or have that last dance with me. If my dad can’t be there, I don’t even want a wedding I’d rather just elope. I’m feeling so insecure about my weight and my stretch marks lately and I know my belly and baby are just going to grow even bigger over the next 10 weeks! I’m a FTM and don’t know what to expect after birth or if losing 30+ pounds is even possibly only 8 weeks after delivery. 😭😭😭