| ||||
---|---|---|---|---|
Cyclicity | Continuous cycling | Baboons: continuous cycling in captivity Rhesus Macaque: seasonal poly-oestral. | Continuous cycling | Continuous cycling |
Age of sexual maturity | 12.9 years | 3 years | 4–6 months | 6–8 weeks |
Length of cycle | 28 days | 28–33 days (highly variable) | 19–21 days | 3–5 days (highly variable) |
Follicular/luteal phase | 10–14 days/12–15 days | 8 days/19 days | 5–6 days/15–17 days | 2 days/2–3 days |
Luteolysis inducer | Ovarian PGF2α | Ovarian PGF2α | Uterine PGF2α | Uterine PGF2α |
Endometrial sloughing/menstruation | Yes | Yes | No | No |