Lap dancers’ earnings correlate with their menstrual cycle:
Lap dancers with a normal cycle earned more during their 5 hours shift when in estrus. Estrus refers to the phase when the female is sexually receptive. Under regulation by gonadotropic hormones, ovarian follicles are maturing and estrogen secretions exert their biggest influence. They earned about US$335 per 5 hours shift, during the luteal phase they earned US$260, and US$185 per shift during menstruation. Participants using contraceptive pills showed no estrus peak earning.
This research was started to test the “hidden” estrus view. In this view the estrus phase was “lost” or “hidden” in the human female to promote male provisioning and paternal care in long-term pair bonded relationships. In contrast to this view recent laboratory studies showed that women near the most fertile point of their cycle are most attractive to males.
This was manifested by:
1. more attractive body scent
2. greater facial attractiveness
3. increased soft-tissue body symmetry
4. decreased waist-to-hip ratio
5. higher verbal creativity and fluency
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