A New View of My Own Past
A New View of My Own Past
Hearing others’ perspectives on infertility and pregnancy has me reconsidering my own reproductive journey.
A New View of My Own Past
A New View of My Own Past

Hearing others’ perspectives on infertility and pregnancy has me reconsidering my own reproductive journey.

Hearing others’ perspectives on infertility and pregnancy has me reconsidering my own reproductive journey.

fertility
Menstrual Cycles Intermittently Sync with Moon Cycles: Study
Menstrual Cycles Intermittently Sync with Moon Cycles: Study
Asher Jones | Feb 5, 2021
A long-term study finds that these rhythms align at certain times of women’s lives, shedding new light on the controversial idea that lunar phases influence human reproduction.
Women’s Cervical Mucus Prefers Some Sperm Over Others 
Women’s Cervical Mucus Prefers Some Sperm Over Others 
Abby Olena | Aug 18, 2020
In human male-female pairs with a less similar suite of genes for human leukocyte antigens, sperm fare better when exposed to cervical mucus.
Two Studies Question Function of Bone Hormone Osteocalcin
Two Studies Question Function of Bone Hormone Osteocalcin
Ruth Williams | May 29, 2020
Independently produced knockout mouse strains fail to find evidence of the bone protein’s endocrine functions, and divide researchers’ opinions.
Single-Cell Analysis of Ovarian Cortex Fails to Find Stem Cells
Single-Cell Analysis of Ovarian Cortex Fails to Find Stem Cells
Amy Schleunes | Mar 6, 2020
The controversial oogonial stem cells eluded a team of Swedish researchers who mapped high-quality tissue samples of the human ovary, prompting more questions about the cells’ existence.  
Baby Born from Egg that Was Matured and Frozen in the Lab
Baby Born from Egg that Was Matured and Frozen in the Lab
Catherine Offord | Feb 19, 2020
A cancer patient who underwent the new fertility preservation procedure successfully gave birth five years after her immature eggs were collected.
Image of the Day: Old Ovaries
Image of the Day: Old Ovaries
Amy Schleunes | Feb 6, 2020
Oxidative stress associated with aging damages ovarian cells in both humans and nonhuman primates.
Aneuploidy Could Explain Variability in Female Fertility: Study
Aneuploidy Could Explain Variability in Female Fertility: Study
Catherine Offord | Jan 13, 2020
Eggs from girls and from older women show higher rates of errors in chromosome number.
Chemist Behind the Combined Oral Contraceptive Dies at 102
Chemist Behind the Combined Oral Contraceptive Dies at 102
Catherine Offord | Jul 2, 2019
George Rosenkranz was part of a team in Mexico City that first synthesized norethindrone in 1951.

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.
Promiscuous Mice Have Extra-Fast Sperm
Promiscuous Mice Have Extra-Fast Sperm
Jef Akst | Oct 18, 2016
The tails of polygamous deer mice sperm have longer midsections than the sperm tails of monogamous individuals of a similar species, and this correlates with improved swimming and competitive ability.
First Uterus Transplant in U.S.
First Uterus Transplant in U.S.
Jef Akst | Mar 1, 2016
Less than six months after a woman in Sweden gave birth to a healthy baby from a transplanted womb, doctors in Cleveland begin a clinical trial to test the procedure in 10 US women.