First child at 25 weeks

I am a first time mom who lost twins last year at 20 weeks, but in July had my child after being on bedrest for 2 months with a cerclage, and at 24 weeks my water broke and 7 days later my daughter was born. It was the scariest situation in my life. I felt so gulity, sad, scared and depressed that I could not hold her any longer in my belly and then had to leave my "little Angel" in the hospital. I cried for days, but it got better even though there were ups and downs.  The wires that they put in the babies navel was slipping and sending electrical impulses through her heart causing it to lower to the 20's and she fought back. Then she had three bacterias at the same time, but they caught it and she fought back. however, by the grace of God she has prevailed. Prays work and is the only thing that is getting us through. She is now 32 weeks and doing well by the grace of God. She is 3lbs 5ozs and gaining 1-2 lbs a day, starting to feed from a bottle. She has grown out of the apnea and desats.  And being a "Feed and Grow" baby as the doctors call her.  God is good and merciful,loving and giving. I could be asking why,but instead I'm praising him for what he is doing and will continue to do in our lives.