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Related articles:
Ovulation
Endometrium
Corpus luteum
Mouse
Estrogen
Elephant
Lion
Goat
Key terms: cycle days estrus species estrous cycle phase animals hormone ovulation typically active occur heat reproduction female cat starts estrogen horse corpus luteum weeks pregnancy seasonal fertile describe gadfly winter copulation induced breeders releases hours progesterone thus follicle grow mammal some species spring endometrium growth rats melatonin spontaneously mammalian develop some animals lining breeding variability refers ciclo desire cow changes receptive specific uterus mating stimulation Search external links cited by footnotes on Wikipedia page Estrous cycle: |
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