New Hope for Infertile Men – Mice Could Hold the Secret
Male infertility affects more than 20 million men globally and is a contributing cause to around 50% of infertility in couples. Frequently, male infertility is…
Fertility
Extinction of the Human Species? Harvard Researchers Say Not to Panic Over Declining Sperm Counts
An alternative explanation of recent findings of declining sperm counts: normal, non-pathological variation. A new study from the Harvard GenderSci Lab in the journal Human Fertility,…
Early Human Embryo Structure Created With Stem Cells in Advance for Fertility Research
Exeter scientists have discovered a simple, efficient way to recreate the early structure of the human embryo from stem cells in the laboratory. The new…
In Tune With the Moon: Female Menstrual Cycle Influenced by Moonlight and Even the Moon’s Gravity
The blog “Ladyplanet. Natürlich Frau sein” is quite certain: “Our cycle is linked to that of the moon. The most obvious connection is the length…
Twin Peaks: More Human Twins Are Being Born Than Ever Before
More human twins are being born than ever before, according to the first comprehensive, global overview published on March 12, 2021, in Human Reproduction,[1] one…
How to Quickly and Easily Find Mutated Sperm? Just Go FISH
A new test quickly and easily identifies when sperm are carrying chromosomal mutations, and could be applied for men hoping to have children. Chemotherapy and…
Diet Can Modulate Male Fertility: Nut Consumption Causes Changes in Sperm DNA Function
Adding nuts to a Western-style diet has an effect on its epigenetics; this research shows, for the first time, that there are regions in the…
Norwegian Researchers Are Collecting Sperm From COVID-19 Patients – Here’s Why
How does Covid-19 affect sperm and thus the next generation’s immune system? Researchers from the University of Bergen are collecting sperm to find the answer….
Heat Stress Damages Sperm and Fertility – Now Scientists Know Why
Project using roundworms uncovers a mechanism that leads to male infertility caused by high temperatures. University of Oregon biologists have used the model organism Caenorhabditis…
Over-Exchange of DNA in Sperm and Eggs Results in Chromosome Defects That Can Increase Infertility
University of Oregon and Northwestern University biologists show that too many crossover events can increase infertility. The exchange of DNA between chromosomes during the early…
Sperm Biomarker Identified That’s Associated With Couples’ Pregnancy Probability
University of Massachusetts Amherst scientists say discovery could lead to better diagnosis of male infertility. Researchers at the University of Massachusetts Amherst have identified a…
Scientists Create Human Embryo-Like Model From Human Stem Cells
Scientists from the University of Cambridge, in collaboration with the Hubrecht Institute in The Netherlands, have developed a new model to study an early stage…
Different Women’s Eggs Attract Different Men’s Sperm – And Not Necessarily Their Partners
Human Eggs Prefer Some Men’s Sperm Over Others Human eggs use chemical signals to attract sperm. New research from Stockholm University and Manchester University…
New Sex Hormone Discovered by Biologists
New hormone that stimulates sexual functions in fish could lead to novel infertility treatments in humans. When University of Ottawa biologists Kim Mitchell and Vance…
COVID-19 Baby Boom? Not According to a New Study
Over 80% of people surveyed in a study do not plan to conceive during the COVID-19 crisis, perhaps putting to rest suggestions that the lockdown…
Many Popular Fertility and Pregnancy Planning Apps May Be Inaccurate
There is a scant evidence base on their use and lack of fertility specialist input in their development. Many popular fertility and pregnancy planning apps…
How Sperm Unpack Dad’s Genome So It Can Merge With Mom’s to Form One New Human Genome
University of California San Diego researchers discovered the enzyme SPRK1’s role in reorganizing the paternal genome during the first moments of fertilization — a finding…
What You Eat Has Rapid Effects on Sperm Quality
Sperm are influenced by diet, and the effects arise rapidly. This is the conclusion of a study by researchers at Linköping University, in which healthy…