The Latest News About Miscarriage

Chromosomal Abnormalities

Usually, losing a pregnancy is a one-time tragedy; fewer than 2 percent of women miscarry more than once. In as many as 80 percent of cases, the cause is a random chromosomal abnormality in the fetus, says Charles J. Lockwood, MD, chair of obstetrics and gynecology at the Yale University School of Medicine. Moms over 35 are most at risk, since the older a woman gets, the more vulnerable her eggs are to defects.

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