Sons born with fertility treatment ‘inherit problems’

Boys born to fathers who needed help conceiving have poorer sperm quality as adults than peers conceived without help, a study suggests. The study, in Human Reproduction, looked at men conceived using Intra-cytoplasmic sperm injection (ICSI). The researchers said it confirmed the theory boys would inherit poor fertility from their fathers. But a UK expert said the study was “reassuring” because the sons’ results were not exactly like their fathers’. In ICSI, a single, good quality sperm is selected and injected directly into an egg. The technique was developed in the early 1990s to help men with a low sperm…
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