Raise nearly all XX infants with functional ovaries as female.

Mature females have one functional ovary, on the left, and two functional uteruses.

Adult females have two functional ovaries that may each contain up to 12 mature eggs.

Adult females have a single functional ovary, on the right, and two functional uteruses.

Unlike most vertebrates female birds typically have only one functional ovary and oviduct.

Adult females have two functional ovaries and one functional uterus, on the right.

Mature females have a single functional ovary and uterus, on the left side.

Each female has a single functional ovary (on the right side) and two functional uteruses.

Adult females have a single functional ovary and uterus.

Adult females have one functional ovary and two functional uteruses.