The Oestrus Cycle: A Timeline

A step-by-step guide to the oestrus cycle 

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  • Created by: Alice
  • Created on: 16-05-13 20:42

Date/period

Event(s)

Stage 1
HORMONES: FSH

Stage 2
HORMONES: Oestrogen

Stage 3
HORMONES: Oestrogen, FSH, LH

Stage 4
HORMONES: Progesterone

Stage 5 (egg is not fertilised)
HORMONES: FSH

Stage 5 (egg is fertilised)
HORMONES: Progesterone

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