Featured series 
Tag: reproductive biology
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Nation & World
Cut calories, increase egg quality
A strategy that has been shown to reduce age-related health problems in several animal studies may also combat a major cause of age-associated infertility and birth defects.
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Nation & World
Newly discovered pheromone helps female flies tell suitors to ‘buzz off’
There she is again: the cute girl at the mall. Big eyes. Long legs. She smiles at you. You’re about to make your move … but wait! What’s she wearing?…
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Nation & World
Countway marks development of ‘the pill’
The birth control pill, which revolutionized contraception and sparked a cultural reassessment of the purpose of sex and the sanctity of life, was developed by a Harvard fertility doctor who…
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Nation & World
Mode of seed dispersal shapes placement of rainforest trees
The apple might not fall far from the tree, but new research shows that how it falls might be what is most important in determining tree distribution across a forest.…
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Nation & World
Spar takes on boom in baby biz
The field of reproductive technologies has become a fast- growing and profitable economic sector. “Parents choose for different traits, clinics woo clients, and specialized providers earn millions of dollars,” points…
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Nation & World
Sexual attraction a matter of scent
An unexpected finding may settle an ongoing scientific debate by providing evidence that key reproductive behaviors in mice arise predominantly, if not exclusively, from olfactory input instead of input from the vomeronasal, visual, or auditory senses.
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Nation & World
Sperm cells made in lab can fertilize eggs
Scientists injected laboratory-created sperm into eggs, and the resulting embryos grew to the point where they would normally be implanted into a womb. The experiment was done with mouse stem…
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Nation & World
Genetic sonograms may reduce need for amniocentesis
Radiologist Beryl Benacerraf is a Harvard Medical School clinical professor of obstetrics, gynecology and reproductive biology at Brigham and Women’s Hospital. Benacerraf, a handful of like-minded maternal-fetal ultrasound specialists, and…
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Nation & World
Pigment plays role in Xenopus development
Harvard Medical School researchers have discovered that a pigment contained in the egg of the South African claw-toed frog is indispensable for development. Witout the pigment, called biliverdin, which is…
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Nation & World
Examining differing reproductive desires in Gambia
For men in rural Gambia, more than 15 kids are desirable. That’s double the number of children that women are actually delivering. The number may seem high to people in…