People desperate to have children are a great source of income for canny businesspeople. The market for eggs, IVF and surrogacy is huge. If nature doesn't oblige, medical science plus commercial providers will help – if you can afford it.
The world's first test-tube baby was born in 1978. Four decades later, gynecologist Wolfgang Würfel says there are still open questions about the limits of in vitro fertilization, particularly in Germany.
Ukraine's in vitro fertilization clinics draw foreign couples desperate to have a baby. But the process can lead to paternal mistakes and citizenship questions, and experts want more regulation.
Socially conservative Singapore still has colonial-era laws banning sex between consenting men. But for the first time a gay doctor has been allowed to adopt his biological son.
Berlin zoologists have succeeded in producing living rhinoceros embryos from stored sperm of the northern white rhinoceros. The breakthrough nourishes hope of bringing the nearly extinct species back to life.
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