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Human hormones Typeit
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, the release of an egg, occurs approximately every days in females. Many other hormones interact to regulate the menstrual cycle, including , which repairs and thickens the lining of the uterus, and , which maintains it.
Many women rely on to prevent them from becoming pregnant. This can come in many forms, each with its own advantages and disadvantages. For example, condoms and diaphragms can act as a barrier to prevent the sperm reaching an , or the woman or the man can have surgery to sterilise them. Hormones can also be taken orally by the woman to inhibit FSH production, or progesterone can be released slowly via an , an implant or a skin patch to stop eggs being released as a long-term measure.