At what month does a miscarriage usually happen?

Within the 1st 2to3m: The further a pregnancy progresses ,the less likely it is to spontaneously abort.

First 13 months.: Most miscarriages occur during the first 13 weeks of pregnancy.

See details: A miscarriage otherwise known as a spontaneous abortion is defined as a pregnancy loss that occurs before the 20th week of pregnancy. The great majority (around 80%) occur during the 1st 12 weeks of pregnancy.

Risk: Is greatest in the first 12 weeks.

13 weeks: Belle the average time that a miscarriage occurs is in the first 13 weeks of a pregnancy