The female uterus is essential for reproduction in all mammals, meaning any trauma or disease affecting this organ detrimentally could compromise a woman’s ability to conceive or carry a viable … Continue Reading A tissue-engineered uterus supports live births in rabbits.
Endometriosis is a condition affecting females where tissue similar to the innermost layer of the womb, known as the endometrium, proliferates outside of the uterus causing painful lesions. Endometriosis usually … Continue Reading Researchers develop nanotechnology to treat endometriosis.
The female biological clock is constantly ticking down with the quality of a woman’s eggs directly related to her ability to have a baby and her level of fertility. A … Continue Reading Researchers reverse the reproductive clock in mice.
In the female reproductive system ovarian follicles are the basic unit of the ovary, consisting of an immature egg, known as an oocyte, surrounded by granulosa cells. Besides being crucial … Continue Reading Mice born from eggs derived from the granulosa cells surrounding oocytes.
Through millions of years of trained evolution, all living organisms adapt their behavior in response to infection, however, the mechanisms behind this are less understood. Now, a study led by … Continue Reading Neurons regulate reproduction in fruit flies during infection.
Prematurely born babies may experience lifelong, debilitating consequences with the underlying mechanisms of this condition not well understood, due in part to the difficulties of experimenting with intact, living human … Continue Reading Researchers successfully develop first ever placenta-on-a-chip.
In humans, the surgical removal of an ovary or ovaries is most often performed due to diseases such as ovarian cysts or cancer, or in conjunction with hysterectomy. In the … Continue Reading 3D-printed ovary bioprosthesis restores fertility in mice.
Infertility affects up to 15% of couples, with roughly one-third of all cases being caused by male infertility. One major cause of male infertility is the failure of precursor germ … Continue Reading Stem cell technique makes first ever viable sperm-in-a-dish.
The mammalian Y chromosome encodes a specialized set of genes that are essential for male viability and fertility. In particular, the sex-determining region Y (SRY) protein is necessary to initiate … Continue Reading Male mice without any Y chromosome produce offspring with assisted reproduction.
Semen quality is a measure of the ability of semen to accomplish fertilization and a measure of fertility in a man. It is the sperm in the semen that are … Continue Reading ‘Spermbots’ successful in proof-of-concept fertility studies.
In general, infertility is defined as not being able to get pregnant after one year of unprotected sex. Causes of infertility or reproductive problems include disease and aging, with male … Continue Reading Researchers identify specific neurons which activate fertility master switch.
It has long been known that there is a linear connection between sperm motility and chances of becoming pregnant. Sperm motility describes the ability of sperm to move properly through … Continue Reading Study finds lower sperm motility in men exposed to a common, everyday chemical.
IVF, or in vitro fertilization, currently has a 32 percent success rate, and couples for whom the procedure fails face the puzzling, disappointing reality that they can’t have a child … Continue Reading Researchers identify previously unknown mechanism of human fertilization.
Dividing cells are prone to errors, and so they must be prepared to summon sophisticated emergency systems to deal with potential damage. One type of division-derailing mishap can occur when … Continue Reading Researchers identify previously unknown part of the ICL DNA repair pathway.
In the most severe form of male infertility, men do not make any measurable levels of sperm. This condition, called azoospermia, affects approximately 1 percent of the male population and … Continue Reading Researchers identify a new gene responsible for male infertility.
Involuntary childlessness is common, and in half of all cases attributable to infertility in the man. Although male infertility has many possible causes, it often remains unexplained. Now, a new … Continue Reading Researchers identify new cause of male infertility in human studies.