Jan. 12, 2024 Much is known about the added complication to pregnancy when it comes to the age of the mother, but recent studies show that the age of the father can also heighten the risk of neurodevelopmental ...
Jan. 8, 2024 A new study identifies the defective function of CatSper, an ion channel controlling calcium levels in sperm, as a common cause of seemingly unexplained male infertility. CatSper-deficient human ...
Jan. 4, 2024 Stress during pregnancy is known to influence health outcomes, but a new study suggests that stress levels before pregnancy are also important to evaluate. Investigators analyzed the link between ...
Jan. 4, 2024 Biologists developed a method for illuminating the intricate interactions of the synaptonemal complex in the nematode C. elegans. The authors identified a trio of protein segments that guide ...
Dec. 22, 2023 Researchers have demonstrated how a specific type of neuron in the brain affects the release of hormones that control ovarian function in females. These findings could help researchers understand and ...
Dec. 21, 2023 Insights into how uterine tumors grow could give hope to millions of women who deal with painful ...
Dec. 7, 2023 Women who delivered their previous pregnancy by C-section spent a longer time trying to conceive their next pregnancy. Additionally, women who spent a longer time trying to conceive their current ...
Dec. 4, 2023 Researchers have introduced an innovative methodology for reconstructing data on fertility and education, particularly in developing countries with inconsistent or unreliable data ...
Nov. 15, 2023 From invisible wafts of diesel exhaust to sun-choking plumes of orange smoke, air pollution is known to damage respiratory well-being. Now, research suggests another reason to hold our breath: ...
Nov. 15, 2023 Researchers have found in a new systematic review that there is a strong association between insecticide exposure and lower sperm concentration in adult men ...
Nov. 1, 2023 Does electromagnetic radiation emitted by mobile phones affect semen quality? While various environmental and lifestyle factors have been proposed to explain the decline in semen quality observed ...
Nov. 1, 2023 Sperm can modulate their energetics by regulating their flagellar waveform -- how the sperm oscillate their tails -- in order to adapt to varying fluid environments, potentially optimizing their ...
Oct. 31, 2023 A new study provides deeper insight into the safety of COVID-19 vaccines for people planning to become pregnant. The study found no increased risk of early or late miscarriage as a result of male or ...
Oct. 27, 2023 Mature spermatozoa are characterized by an head, midpiece and a long tail for locomotion. Now, researchers have found that a loss of the structural protein ACTL7B blocks spermatogenesis in male mice. ...
Oct. 26, 2023 Special proteins -- known as membrane transporters -- are key to the mobility of sperm cells. A research team has, with the aid of cryo-electron microscopy, succeeded in decoding the structure of ...
Oct. 25, 2023 New research provides rare direct evidence showing that increased homozygosity -- meaning two identical alleles in a genome -- leads to negative effects on fertility in a human ...
Oct. 24, 2023 New research reveals how the bacteria strain Wolbachia pipientis enhances the fertility of the insects it infects, an insight that could help scientists increase the populations of mosquitoes that do ...
Oct. 20, 2023 Millions of couples worldwide experience infertility with half of the cases originating in men. For 10 percent of infertile males, little or no sperm are produced. Now, new research is shedding light ...
Oct. 19, 2023 In vitro fertilization (IVF) is a time-intensive and often stress-inducing fertility procedure. Yet how does that stress impact its success? Investigators have now assessed the effects of anxiety and ...
Oct. 18, 2023 A woman's fertility normally decreases by her late 30s with reproductive function eventually ceasing at menopause. It is known that a small molecule called nicotinamide adenine dinucleotide ...