Is this because researchers assume that it's only for homosexual guys? Our resident sex anthropologist Florence Walker investigates Archaeologists have unearthed 10,000 pots.
Before you decide to have sex or if you are already having sex, you need to know how to stay healthy. Having sex may affect the way you feel about yourself or how others feel about you. Half of all teens in the United States have never had sex. Plan ahead how you are going to say no so you are clearly understood. Nothing works perfectly to prevent STIs except abstinence (no sex).
In this instance, contraception isn't necessarily the driving factor behind entering through the rear.
As we've seen before, a correlation between vaginal sex and pregnancy isn't always made by participants.
The second reason - that anal sex might be a way of the need to make sense of new political power structures - isn't much more plausible.
The nearby Recuay people also made sex pots in the same era but they depicted good ol' fashioned penis and vagina sex.