Chemist Behind the Combined Oral Contraceptive Dies at 102
Chemist Behind the Combined Oral Contraceptive Dies at 102
George Rosenkranz was part of a team in Mexico City that first synthesized norethindrone in 1951.

Chemist Behind the Combined Oral Contraceptive Dies at 102
Chemist Behind the Combined Oral Contraceptive Dies at 102

George Rosenkranz was part of a team in Mexico City that first synthesized norethindrone in 1951.

George Rosenkranz was part of a team in Mexico City that first synthesized norethindrone in 1951.

progesterone
Hormone Hangover
Hormone Hangover
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Medication to prevent prematurity in humans harms cognitive flexibility in rats.
Molecular Models of Birth
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Researchers are piecing together the chain of events that leads to preterm and full-term birth.
Why So Soon?
Why So Soon?
Bob Grant | May 1, 2013
Researchers are using modern experimental tools to probe the mysterious molecular pathways that lead to premature labor and birth.