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Tests to determine the sex of the unborn child

Question 1 of 3

1. Who do you have more: brothers and nephews or sisters and nieces?

More sisters and nieces.

More brothers and nephews.

-They are the same number.

Tests for preliminary determination of the sex of the desired unborn child will help to find patterns in the birth rate in your family of boys and girls due to the work of the genetic mechanisms of transmission of the child's sex.