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.

fertility
Does Sharing the Womb with a Brother Affect Girls?
Does Sharing the Womb with a Brother Affect Girls?
Ashley Yeager | Mar 19, 2019
A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.
First Child Delivered from Womb Transplanted from Dead Donor
First Child Delivered from Womb Transplanted from Dead Donor
Carolyn Wilke | Dec 5, 2018
The girl was born in Brazil in December 2017.
Blood Test Predicts Pregnancy Due Date
Blood Test Predicts Pregnancy Due Date
Kerry Grens | Jun 7, 2018
A small study based on circulating RNA in the blood of moms-to-be describes a technique that could be used to help predict who’s most at risk of preterm labor.
Large Female Fish Play a Big Role in Replenishing Populations: Study
Large Female Fish Play a Big Role in Replenishing Populations: Study
Diana Kwon | May 11, 2018
Bigger, older mothers produce disproportionately more eggs than their smaller counterparts do.
Primitive Human Eggs Grown to Full Maturity in the Lab
Primitive Human Eggs Grown to Full Maturity in the Lab
Ashley Yeager | Feb 9, 2018
The technique could combat infertility, but it's still not clear whether these eggs are normal and functional.
Pesticide Residues Linked to Unsuccessful IVF
Pesticide Residues Linked to Unsuccessful IVF
Kerry Grens | Oct 30, 2017
Women who ate more produce known to harbor pesticides were less likely to succeed with fertility treatment than women who ate fewer of these fruits and vegetables.
IVF to Revive Endangered White Rhino Population
IVF to Revive Endangered White Rhino Population
Diana Kwon | Jul 20, 2017
Scientists plan to use in vitro fertilization to preserve a species with only three remaining members in the wild.
Most of Human Genome Nonfunctional: Study
Most of Human Genome Nonfunctional: Study
Kerry Grens | Jul 17, 2017
An estimate derived from fertility rates concludes that at least 75 percent of our DNA has no critical utility.
Smartphone Semen Assay
Smartphone Semen Assay
Kerry Grens | Mar 23, 2017
An app-based sperm analyzer screens for signs of male infertility.