Chromosomal abnormalities and miscarriage of the unborn child are most likely for

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Mothers over the age of 35 are at higher risk of chromosomal abnormalities in their unborn child, which can lead to miscarriage. This is because as a woman ages, the quality of her eggs declines, leading to a higher risk of chromosomal errors. Teenage mothers and those in their 20s are generally at lower risk for chromosomal abnormalities, while pregnant fathers do not contribute an egg and therefore do not affect the risk of chromosomal abnormalities in the same way.

Chromosomal Abnormalities and Miscarriage of the Unborn Child Are Most