Fertility

Scientists have created "synthetic" mouse embryos from stem cells without a dad's sperm or a mom's egg or womb.

The lab-created embryos mirror a natural mouse embryo up to eight days after fertilization, containing the same structures, including one like a beating heart.

The 24-year-old tourist complained that the young man used violence to force her into sexual acts near a bar

“And I think one of the biggest risks to civilization is the low birth rate and the rapidly declining birth rate”

According to a new study by a researcher at the Milner Centre for Evolution at the University of Bath contends that 'selfish chromosomes' are to blame for the early demise of the majority of human embryos. The discovery explains why human embryos frequently don't survive while fish embryos do not have repercussions for the management of infertility.

"In the state hospital, we often had to wait half a day for exams; in winter, we were queuing up outside, in the freezing cold," she shudders. "I had to face doctors who went through the same routine over and over again, without taking the time to find out why I can't conceive.

The more female pilots and hostesses fly, the more the level of their fertility decreases, a Turkish professor has claimed, giving the study he conducted with 134 women as a reference.

Ercan Baştu said he conducted research with some 66 woman aviators and some 68 females from different professions and compared the test subjects' ovarian qualities and quantities.

Japan logged a record low number of newborn babies in 2021, as the nation's demographic crisis intensifies, the government said in a report on Friday.

A study in Denmark showed men have better sperm if they had 8 hours of sleep

An expert projects that the share of the elderly population in Turkey's total population will reach the same level in Europe in 2060 given the current trajectory of the fertility rate in the country.

The fertility rate represents the ratio between the average number of live births in a year and the number that a woman would have during her childbearing years - the 15-49 age group.

"Infertility is constantly rising, globally and in Croatia. It is estimated that in 10 years about 30% of couples in most of the world will be infertile," Večernji List daily quoted gynaecologist Velimir Šimunić, a human reproduction subspecialist and in vitro fertilisation (IVF) pioneer at a Zagreb women's hospital, as saying.