FA Biology

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  • Created by: bcfcjam
  • Created on: 01-05-17 16:14

FA Biology - Menstrual Cycle

Stages

1-4 - Uterus lining breaks down and is released

4-13 - Uterus lining thickens and grows

14 - Ovulation (egg is released)

15-28 -Uterus lining is maintained

Hormones

FSH - Causes a follicle to mature - Stimulates Oestrogen

Oestrogren - Causes Uterus to thicken and grow - Stimulates LH surge

LH - Causes ovulation to happen and forms corpus luteum - secretes progesterone

Progestrone - Maintains Uterus lining - Inhibits FSH and LH

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