By Selwyn Duke

Explaining the birds and the bees has always been uncomfortable for some parents — but one day it may get so complicated that someone will have to explain it to the parents.

That is, if new technology that may affect the way they become parents is made reality.

Called in vitro gametogenesis (IVG), it could in the not-too-distant future be used to create babies not only without sexual congress, but even without those requirements for in vitro fertilization (IVF): eggs and sperm.

A process with both promise and perils, IVG may someday be used to “provide a cure for many types of infertility, to slow or even turn off biological clocks, and to enable the kind of embryo selection that sends chills up many spines,” 

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