How it works
Natural family planning is based on a number of facts about a woman's eggs and a man's sperm. A woman ovulates (an egg is relea ... » Read on
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When it should be done
Artificial insemination is carried out when the woman is most likely to ovulate. Ovulation is when an egg is released during the ... » Read on
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Introduction
Fertilization Pregnancy occurs when a sperm penetrates an egg. The single sperm that first burrows i ... » Read on
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