A much higher birth rate of 2.1 births is needed just to keep the population from declining. (cnbc.com)
High birth rates produce high oxytocin levels across a population. (newscientist.com)
The drug letrozole results in higher birth rates in women with polycystic ovary syndrome (PCOS) than the current preferred infertility treatment drug, according to a nationwide study led by Penn State College of Medicine researchers. (sciencedaily.com)