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moon, lunar, woman, biology, reproduction, fertility, menstrual cycle, menstruation, menses, period, synchronization
Moon Cycles and Menstrual Cycles
A long-term study finds that moon cycles and menstrual cycles align at certain times of women’s lives, shedding new light on the full moon and menstrual cycle relationship.
Moon Cycles and Menstrual Cycles
Moon Cycles and Menstrual Cycles

A long-term study finds that moon cycles and menstrual cycles align at certain times of women’s lives, shedding new light on the full moon and menstrual cycle relationship.

A long-term study finds that moon cycles and menstrual cycles align at certain times of women’s lives, shedding new light on the full moon and menstrual cycle relationship.

fertility

A graphic of the female reproductive system
Differentiated Stem Cells Can Kickstart Fertility in Mice
Aparna Nathan, PhD | Oct 23, 2023 | 3 min read
Ovarian cells derived from stem cells restore hormones and cells needed to produce pups.
The Vaginal Microbiome is Finally Getting Recognized
Hannah Thomasy, PhD, Drug Discovery News | Sep 25, 2023 | 10+ min read
Vaginal dysbiosis has long been a taboo subject, but studying and optimizing the vaginal microbiome could be a game changer for women's health.
Artist’s rendition of the molecular structure of a ribosome (blue and purple) as it produces a polypeptide chain (red) from an mRNA template (orange and gray), with tRNA molecules (dark purple) shuttling amino acids.
Specialized Sperm Ribosomes Are Key to Male Fertility in Mice
Dan Robitzski | Dec 15, 2022 | 4 min read
A previously unknown kind of ribosome is responsible for folding sperm proteins, which decay before fertilization if prepared by other ribosomes.
A white mouse huddles with some of her nine-day-old pups.
In Vivo Gene Therapy Cures Infertility in Mice
Dan Robitzski | May 2, 2022 | 2 min read
Mice rendered infertile through ovary cell–targeting mutations gave birth to seemingly normal offspring through natural mating after a virus-based gene therapy was injected into their ovaries.
A New View of My Own Past
Jef Akst | Aug 1, 2021 | 6 min read
Hearing others’ perspectives on infertility and pregnancy has me reconsidering my own reproductive journey.
Women’s Cervical Mucus Prefers Some Sperm Over Others 
Abby Olena, PhD | Aug 18, 2020 | 3 min read
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
Ruth Williams | May 29, 2020 | 4 min read
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
Amy Schleunes | Mar 6, 2020 | 5 min read
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
Catherine Offord | Feb 19, 2020 | 2 min read
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
Amy Schleunes | Feb 6, 2020 | 1 min read
Oxidative stress associated with aging damages ovarian cells in both humans and nonhuman primates.
Aneuploidy Could Explain Variability in Female Fertility: Study
Catherine Offord | Jan 13, 2020 | 2 min read
Eggs from girls and from older women show higher rates of errors in chromosome number.
Chemist Behind the Combined Oral Contraceptive Dies at 102
Catherine Offord | Jul 2, 2019 | 2 min read
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?
Ashley Yeager | Mar 19, 2019 | 2 min read
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
Carolyn Wilke | Dec 5, 2018 | 2 min read
The girl was born in Brazil in December 2017.
Blood Test Predicts Pregnancy Due Date
Kerry Grens | Jun 7, 2018 | 2 min read
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
Diana Kwon | May 11, 2018 | 2 min read
Bigger, older mothers produce disproportionately more eggs than their smaller counterparts do.
Primitive Human Eggs Grown to Full Maturity in the Lab
Ashley Yeager | Feb 9, 2018 | 2 min read
The technique could combat infertility, but it's still not clear whether these eggs are normal and functional.
Pesticide Residues Linked to Unsuccessful IVF
Kerry Grens | Oct 30, 2017 | 2 min read
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
Diana Kwon | Jul 20, 2017 | 2 min read
Scientists plan to use in vitro fertilization to preserve a species with only three remaining members in the wild.
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