Women use coke to wash their vagina for contraception. Is it true that coke kills sperm?
Without sufficient scientific basis, Coke may not be able to kill sperm and make a question mark. Normal sperm can live for half a day in the vagina, 2-2.5 days in the uterus and fallopian tube, and 2-8 days in the cervix. Therefore, sperm will not be easily killed by Coke. In addition, the method of cleaning vagina after sexual intercourse is not an effective contraceptive measure, and may also cause vaginal infection.
Coke spermicidal has no basis
The saying that Coke kills sperm came from the experiment of Harvard Medical School in 1985. The researchers put frozen sperm into three cola tubes. As a result, they found that the number of sperm decreased, and Coke would affect the vitality of sperm.
Later, many studies overturned this view. Now, the scientific community believes that cola spermicidal is the one with the advantage of nonsense. Because the study of Coca-Cola spermicide was carried out in vitro, the number of samples was small, and it was not convincing.
Sperm activity in the body is very strong. The effect of coke on sperm should be strictly studied. People who drink coke and those who do not drink coke should test the effect of sperm. A large number of samples should be used for comparative analysis and scientific statistics to draw the conclusion that drinking coke does not affect sperm quality.
At the same time, there are many other factors that affect sperm. Environmental pollutants include estrogen drugs, pesticides, food additives, cosmetics, car exhaust, smoke burning, etc., which damage sperm differentiation and development and sperm vitality. Therefore, the research on coke spermicide is still in dispute.