menstrual cycle

• Menstrual cycle

  Ovulation takes place every 28 days, uterus lining becomes thick and spongy, egg released, if fertilized egg implants into uterus wall, if not fertilized both egg and uterus lining are released which is called period
• In men, the testes produce testosterone which stimulates sperm production
• Every 28 days, an egg is released in ovulation
• Luteinizing Hormone (LH) causes ovulation
• Graph interpretation: FSH rises, stimulates ovaries to release estrogen, estrogen inhibits FSH and stimulates LH release, LH peaks around day 14 triggering ovulation, ovary releases progesterone, if no fertilization progesterone falls and woman has a period
• Follicle Stimulating Hormone (FSH) causes egg maturation in the ovary
• In women, the ovaries produce estrogen which helps in egg maturation
• During puberty, reproductive hormones cause secondary sexual characteristics to develop
• Estrogen and Progesterone are involved in maintaining the uterus lining incase an egg is fertilised