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MENSTRUAL CYCLE

MENSTRUAL CYCLE. Menstruation. Major stage of puberty (between the ages of 8 and 13) From the beginning of one period to the beginning of the next takes about 28 days for most people (can differ). DAY 1 - 7. First day of menstrual period

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MENSTRUAL CYCLE

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  1. MENSTRUAL CYCLE

  2. Menstruation • Major stage of puberty (between the ages of 8 and 13) • From the beginning of one period to the beginning of the next takes about 28 days for most people (can differ)

  3. DAY 1 - 7 • First day of menstrual period • Blood and tissues that have built up on the inner lining of the uterus flow of out of the vagina • Last anywhere between 2-7 days • After menstruation, the body begins releasing hormones that signal the uterus to get ready to receive a new egg ( 1/10 of a poppy seed)

  4. DAY 8 - 13 • Hormones prepare an egg to be released from the ovary • Lining of uterus thickens and becomes rich in blood and nutrients in case a sperm fertilizes the egg • The fertilized egg would then attach to the lining

  5. DAY 14 • Middle of the cycle ovulation occurs • Ovulation is when the egg is released from one of the ovaries. • During this time the egg will travel down the fallopian tube

  6. Ovulation • BEFORE ovulation – estrogen is released to stimulate the uterus to build the lining with extra blood and tissue to prepare for pregnancy • If the egg is fertilized by the sperm cell it travels to the uterus and attaches

  7. DAY 15-28 • Most of the time the egg is not fertilized • If the egg is not fertilized the egg will begin to dissolve • Then the uterus no longer needs the extra blood and tissue • Then the menstrual cycle starts over again

  8. Women may experience… • Fluid retention • Cramping • Mood swings • Weight gain • Breast tenderness • Diarrhea • Constipation

  9. Hormones - Produced in the pituitary gland • FSH – Follicle Stimulation Hormone • LH - Luteinizing hormone LH – signals ovulation • Estrogen – produced throughout the menstrual cycle • Progesterone – produced during second half of cycle – contributes to thickening of the endometrium which is shed during the menstrual phase if fertilization does not take place -Produced by the follicles in the ovaries

  10. http://kidshealth.org/misc/movie/bodybasics/bodybasics_female_repro.htmlhttp://kidshealth.org/misc/movie/bodybasics/bodybasics_female_repro.html http://www.plannedparenthood.org/health-topics/emergency-contraception-morning-after-pill-4363.asp

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