Luteal Phase
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Reproductive
Summary
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Key Points
- Luteal Phase
- Part of the menstrual cycle from ovulation and formation of corpus luteum through luteolysis (menstruation) or fertilization.
- Usually lasts ~14 days
- Starts after ovulation
- Release of the egg from follicle into fallopian tube
- Corpus Luteum forms
- Forms from remainder of the follicle after egg is released
- Secretes progesterone
- Maintains uterine lining/wall
- 2 potential outcomes
- If pregnancy occurs
- Implantation and pregnancy proceeds
- If no pregnancy within 2 weeks (~14 days)
- Corpus luteum degrades into Corpus Albicans
- Progesterone stops being secreted
- Uterine wall sloughs off (menstruation)
- If pregnancy occurs
- After menstruation, the follicular phase begins once again
- Part of the menstrual cycle from ovulation and formation of corpus luteum through luteolysis (menstruation) or fertilization.