Researchers have found that a method of natural family planning that uses two indicators to identify the fertile phase in a woman?s menstrual cycle is as effective as the contraceptive pill for avoiding unplanned pregnancies if used correctly, according to a report published online in Europe?s leading reproductive medicine journal Human Reproduction.
According to the fertility regulator in the UK women there will soon be able to donate their eggs for medical research, and for IVF treatment.
Researchers have found that mouse oocytes that fail to become fertilized during in vitro fertilization are nevertheless often capable of succeeding as “cytoplasmic donors” during a subsequent cloning step using so-called nuclear transfer.
The contaminant bisphenol-A (BPA) — widely used to make many plastics found in food storage containers and dental products — can have long-term effects in female development, according to a recent study by Yale School of Medicine researchers.
The Scripps Research team, led by neuroscientists Manuel Sanchez-Alavez and Tamas Bartfai, discovered that mice genetically altered to lack a molecule known as the EP3 receptor tend to be more active during their normal sleep cycle and to eat more. In the study, this led to weight increases of up to 30 percent relative to mice with the receptors.
A new article suggests that the human male has evolved mechanisms to pass on his genes during post-copulation — a phenomenon dubbed “sperm competition.”
Metformin, a drug used to treat diabetes and once thought to have great promise in overcoming the infertility associated with polycystic ovary syndrome (PCOS), is less effective than the standard fertility drug treatment, clomiphene, according to researchers from the University of Pennsylvania School of Medicine and the National Institutes of Health Reproductive Medicine research network.
Reuters on monday examined the practice of surrogate motherhood in India, where surrogacy services are “far cheaper than in the West.”
For many women, irregular or infrequent menstrual cycles may not sound like such a bad thing. But a condition that can cause irregular periods ? polycystic ovary syndrome, or PCOS ? can present women with numerous health concerns, ranging from excess hair growth to fertility issues to an increased risk of heart disease and diabetes.
Tackling health inequalities in Britain needs closer coordination between all major policy areas including health, education, housing, employment and taxation, according to the authors of a new Economic and Social Research Council (ESRC) publication.