from:e.uuuwell.com 2018-11-9 11:30
scientists found that when a man does most of the time and their spouse or sexual partners to stay together, they can simply reproductive level to double.
> scientists have discovered that when a man does most of the time and their spouse or sexual partners to stay together, they can simply double the reproductive level. scientists say a man's sperm varies widely, largely depending on him to see his spouse or sexual partner of the time. scientists found that when the couple stayed together all day, when men ejaculate contained sperm of three hundred eighty-nine million. however, when only 5% of the time they spent together when common men ejaculate sperm contained almost doubled, reaching seven hundred and twelve million. scientists call this phenomenon is known as "sperm competition." they believe that this may be difficult to maintain a stable relationship between husband and wife biological causes. man semen separated men and women increased, confirmed there are not a woman, sperm competition to grow on, scrambling to achieve the purpose of the next ejaculation.