How long does a chromosomal abnormality lead to miscarriage?

Patient's question:

Female, 27 years old, this time she got pregnant accidentally. At 11 weeks of pregnancy, she had a miscarriage. In the early stages, she didn't feel anything abnormal, except for being very tired. Sometimes, if she walked too fast, her stomach would hurt. She didn't know why she had a miscarriage. Since this was her first pregnancy, she looked up a lot of information about the causes of miscarriage. Among them, she saw that chromosomal abnormalities can also lead to miscarriage. If it is due to chromosomal abnormalities, how long will it take for a miscarriage to occur?

Doctor's answer:

Embryonic or fetal chromosomal abnormalities are the most common cause of early miscarriage, accounting for approximately 50-60%. In mid-pregnancy miscarriages, they account for about one-third, and in late-pregnancy fetal loss, they account for only 5%. According to your explanation, if you experience a miscarriage at 11 weeks, it is recommended to strictly breastfeed for 3-6 months after the miscarriage procedure.
Advice: If this is your first recurrence of miscarriage and your previous marital health status is good, further detailed examinations may not be necessary. When trying to conceive again, it is essential to remember to take folic acid.

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