A couple has 50% chance of having either sex child in natural conception. Being that females carry two X chromosomes, passing one of those X chromosomes onto their child, it is up to the male partner to pass either an X chromosome or Y chromosome to determine the sex of the baby. An XX chromosome pair results in a baby girl and an XY chromosome pair results in a baby boy.
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Gender Selection Articles
Ask questions about gender selection.
In unassisted conception, a couple has 50% chance of having a boy, and 50% chance of having a girl. The sex of the child is determined by the male partner, as females carry two X chromosomes and males carry an X and a Y chromosome. Depending on which chromosome the sperm carries, the child could be male or female.
However, parents can choose the sex of their child using gender selection techniques with the help of a fertility doctor.