1. Age.

Twin pregnancies are more common in women over the age of 35. This is so that more follicle-stimulating hormone (FSH), which can lead to the release of numerous eggs during ovulation, is produced by women’s bodies as they age.

2. Family History

You may be more likely to have twins if your family has a history of having them. This is due to the possibility of genetic inheritance of the propensity to release numerous eggs during ovulation.

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