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Brain area discovered that may be critical for viable pregnancies
A newly discovered part of the brain is essential for successful embryo implantation in mice. It may help to explain why some pregnancies and IVF attempts fail
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Humans
How older siblings may shape sexual orientation via mother鈥檚 immune system
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Injection halves risk of chromosome error common in older human eggs
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Mind
Parenting may permanently improve brain health for mums and dads
Features
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Embryos made without sperm or eggs reveal why many pregnancies fail
Features
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Strips of dried placenta help wounds heal with less scarring
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Natural ovulation the best option before an IVF frozen embryo transfer
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IVF success may depend on how long men abstain from ejaculation
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Upheavals to the oral microbiome in pregnancy may be behind tooth loss
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Common IVF test misses some genetic abnormalities in embryos
Human embryos formed with in vitro fertilisation can develop genetic abnormalities in the time between genetic testing and implantation 鈥� though this may not affect their viability
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Humans
‘Pregnancy test’ for skeletons could help reveal ancient mothers
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What we know, and don’t, about the link between painkillers and autism
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Antibiotics normally don鈥檛 increase the risk of autoimmune disorders
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Human milk could help fight infections that endanger pregnancies
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