Miscarriage after stillbirth

I’m really starting to get depressed and feeling hopeless I had a miscarriage yesterday and I thought it was my rainbow baby well no .... I don’t what I did I think I tried to fast I had a still born Jan 1st and got pregnant in feb I was trying to get my baby I lost but I didn’t realize I didn’t let my body heal I’m very upset I feel like my body just fails me and my kids 😪 I wish I can just have 1 that’s all I really want in life is a mini me .. idk If god is punishing me for something I did but I’m sorry