Ttc after stillbirth

Hi ladies, I gave birth to my daughter at 20 weeks 5 days my cervix had started to dilated I had a cerclage placed when I was already 3 cm dilated. I went in to active labor couple hours after the cerclage was placed. I had my daughter at 4:08 am she passed away at 8:40 am she had a strong heart, the doctors however couldn’t save her nor did they try because at that stage it’s a 0 percent survival rate. This all happen July 2, 2018 when can I start to TTC?