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SY02 wants a girl. SY03/04/05 are all boys. What tried and tested methods are there to make sure that the next little cherub is of the female persuasion?
Discuss.
Perhaps if you shagged her instead of the milkman...
SY02 wants a girl. SY03/04/05 are all boys. What tried and tested methods are there to make sure that the next little cherub is of the female persuasion?
Discuss.
Mammals evolved from reptiles, which use Temperature-dependent sex determination (TSD), whereby eggs at temperatures between a certain range hatch into males, and outside that range into females.
In turtles with TSD, males are generally produced at lower incubation temperatures than females (TSD IA), with this change occurring over a range of temperatures as little as 1-2 °C.[5] At cooler temperatures ranging between 22.5 and 27 degrees Celsius mostly male turtles arise, and at warmer temperatures around 30 degrees Celsius only female turtles arise[6]. In lizards and crocodilians, this pattern is reversed (TSD IB).
So on the off-chance there's a residual effect in mammals, you first need to decide whether it's more likely to be turtle-like or alligator-like, and then for a few days walk around with a hot water bottle or bag of ice cubes (respectively) tucked inside your Y-fronts.
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