How long does it take to prepare for pregnancy again after a miscarriage? Expert advice: three months after spontaneous abortion and six months after curettage. However, individual differences vary greatly, so be sure to follow your doctor’s advice. The endometrium needs time to recover to avoid preparing for pregnancy too early. Pay attention to the causes of miscarriage and reduce the risk of another miscarriage. Consult your doctor to understand your situation and make informed decisions.