Thus, males can have a disease like hemophilia if they inherit an affected X chromosome that has a mutation in either the factor VIII or factor IX gene. Females can also have hemophilia, but this is much rarer. In such cases both X chromosomes are affected or one is affected and the other is missing or inactive.Mar 2, 2017
The egg can live for up to 24 hours. Sperm survival is more variable, but typically 3-5 days, so the days leading up to ovulation and the day of ovulation itself are your most fertile – when you are most likely to get pregnant. As soon as you have ovulated, the follicle starts producing another hormone: progesterone.Nov 2, 2017
Since Viagra enhances sexual arousal in men by increasing the blood flow to the penis, the Bermans theorized that the drug could have a similar effect on women, increasing the blood flow to the female genitals and thereby producing better arousal, sensation and lubrication in the genital area.Apr 28, 2003
As it turns out, men in their 30s find women who are age 20 the most attractive. Not early 20s—straight-up age 20. As in, the first year after you stop being a teenager. It gets even better—men in their 40s up to age 50 all prefer women in their early 20s too.Sep 23, 2015