At the Down to a Science Fertility event, an audience member asked a question on spotting fertile women just from their appearance. People laughed at the question & incredulous response from the speakers. Alas, that question proved prophetic. A recent study just released in Evolution and Human Behavior indicated you can spot fertile women, though the message conveyed “subtle behavioral signals”. The study collected data from 5300 lap dances over a 60 day period. Dancers in the highest fertility stage, estrous, raked in $70/hr vs $35/hr with those menstruating.
Takeaway:
Be careful …

From Anna Nicole Smith and J. Howard Marshall to Tiger Woods and Elin Nordegren, older men and younger women have been getting together for years. According to a new paper in Biology Letters this week, the age difference gives the couples a reproductive boost.
The authors of the paper, themselves married, looked at a massive database of Swedish couples. In the couples where the age difference was about 5 years, they produced about 5% more children than same age couples. In addition, they analyzed divorces. Divorced men on average chose …

PGS, preimplantation genetic screening, is a widely adopted test in US fertility clinics to establish any genetic defects in embryos. Only healthy embryos that pass the screening are then implanted using IVF techniques. A recent study in Science, indicates a lower pregnancy rate for women who use PGS vs those who just pursue IVF only. The final score….24% birth rate for IVF combined with PGS, 35% for IVF only.
The study has its share of critics. Many claim the researchers were not well versed in PGS techniques, leading to implantation …