Ovulatory cycle effects

video 3'46 : https://youtu.be/Vl2wRbO8LZU?si=n8JtFXBGbMH9_DUl What Is The Menstrual Cycle? | Physiology | Biology | FuseSchool

text 141 words : https://www.sciencedirect.com/science/article/pii/S1090513807000694 Ovulatory cycle effects on tip earnings by lap dancers: economic evidence for human estrus?

text 101 words : https://www.sciencedirect.com/science/article/pii/S2352250X14000189 : Human estrus : implications for relationship science

text 196 words : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2394562/ : Human oestrus