1. How long does it take to prepare for pregnancy after the first miscarriage: How long does it take to prepare for pregnancy again after the first miscarriage? Discuss the best time to prepare for pregnancy! :1. How long does it take to prepare for pregnancy again after a miscarriage of the first child? Discuss the best time to prepare for pregnancy! The miscarriage of the first child is a huge blow to the couple, not only on the body but also on the body.