Obstetrics & gynaecology

Paternal age over 51 years reduces success rate in IVF and ICSI

While female fertility comes to an irrevocable end with the menopause (at a consistently average age of 51 years), men are not constrained by similar biological senescence. Studies have shown that sperm counts may decline ...

Genetics

Who's your daddy? Don't ask a DNA test

"Man Ordered to Pay $65K in Child Support for Kid Who Isn't His." "Father Hopes to Change State Paternity Law" after losing custody of his biological daughter to another man. The headlines are lurid and seemingly nonsensical. ...

Psychology & Psychiatry

Teenage depression linked to father's depression

Adolescents whose fathers have depressive symptoms are more likely to experience symptoms of depression themselves, finds a new study led by UCL researchers.

Psychology & Psychiatry

Fathers of American newborns keep getting older

While data on the moms of newborn American children has been abundant, equivalent data on dads hasn't—a gap that Stanford scientists have now filled.

Medical research

Mom's, not dad's, mitochondria create healthy embryos

Mammal embryos shed paternal mitochondria within days of fertilization, perhaps to ensure the offspring a healthy life, a new study shows. Researchers from the California Institute of Technology will present their findings ...

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Paternity

Paternity may refer to:

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