Human animals have a simple, direct system: copulation and sperm delivery may lead to fertilization of an egg, if the timing is right. Once a sperm joins an egg, the resulting zygote gets implanted on ...
A new article in Ecological and Evolutionary Physiology examines how the immune system and reproduction interact in female mammals, especially during pregnancy, from mating to birth. Lauren E.
Energy intake is a critical determinant of reproductive performance in small mammals, particularly during energetically demanding periods such as lactation. Recent investigations have revealed that ...
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Studying how seals adapt to extreme environments could lead to benefits in human reproductive health
Wild animals that have acquired adaptations to maximize their reproductive output in some of the world's most extreme conditions may provide answers to some of the most pressing problems in the field ...
A quiet revolution in recognizing menopause in other mammals was sparked by a 1990 whaling report indicating the presence of post-reproductive females among resident killer whales in coastal waters ...
Mammals experience a 10% increase in lifespan when reproductive opportunities are suppressed. The study analyzed records from 120 zoos to determine the hidden cost of reproduction. When mammals have ...
Why do lifespans vary across different species? A female elephant can live up to 80 years, but usually only has a few calves during her lifetime. A mouse, on the other hand, lives for a few years at ...
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