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This is compare the development period of pigs and chicken.

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The parts of the female body that are involved in pregnancy and child bearing are called the reproductive organs. They include the two ovaries, the two fallopian tubes, the uterus (womb), and the vagina. These organs lie inside the lower part of the abdomen, called the pelvis, and are protected by bones and muscles. The breasts are also affected by pregnancy and, of course, are essential for breastfeeding the baby.

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This is how the sperm meets an egg until it is fertilized as a healthy fetus in the mother’s womb.