Semen may trigger ovulation, study suggests - منی بیضہ دانی سے انڈے کے اخراج کو متحرک کر سکتی ہے

مطالعہ سے پتہ چلتا ہے کہ مادہ منویہ یا منی   بیضہ دانی سے انڈے کے اخراج کو متحرک کر سکتی ہے!

A recently discovered protein in semen can cause female mammals to ovulate, new research finds.

The protein has been found in multiple mammal species, including humans, though researchers aren't yet sure what effect it might have onhuman fertility. In cows, they have found, the substance may contribute to the process that keeps pregnancies viable. The same might be true for humans.

"The whole idea of having a chemical substance in the seminal plasma in the male affecting the female's brain and causing her to ovulate is really new for us," said study researcher Gregg Adams, a professor at the Western College of Veterinary Medicine at the University of Saskatchewan.

Adams and his colleagues report their findings today in the journal Proceedings of the National Academy of Sciences.  

Mammals can be divided into two groups, Adams said: Induced ovulators and spontaneous ovulators. Spontaneous ovulators are those with a regular menstrual cycle, such as humans. These mammals release egg cells on a regular schedule, whether they've copulated recently or not. [Macho Men: 10 Wild Facts About His Body]

Spontaneous ovulators include animals such as camels and llamas that only release eggs in response to sex.

Researchers long assumed that it was the sex itself that induced this ovulation, Adams said. The stimulation of the vagina or some mix of pheromones was assumed to be the culprit. But in 2005, Adams and his colleagues discovered a protein called ovulation-inducing factor in the seminal fluid of llamas and camels. This protein did exactly what its name would suggest, inducing ovulation in females exposed to it.

In the new study, Adams worked with researchers from the Universidad Austral de Chile in Valdivia, Chile as well as former University of Saskatchewan graduate student Marcelo Ratto to uncover the identity of this mysterious protein. They isolated it from the semen of llamas, a species of induced ovulators, and from cattle, a species of spontaneous ovulators. The same protein has also been found in every mammal the group has studied, from rabbits and pigs to mice and humans.

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Semen may trigger ovulation, study suggests

When you ovulate? How Many Days After Your Menstrual Period Do You Ovulate? Can Sperm Survive in Menstrual Blood?

When you ovulate?

(آپ میں انڈے یا  بیضہ دانی سے  بیضہ کا اخراج کب ہوتا ہے؟ )

While most women ovulate about two weeks after their menstrual period, it is still possible for a woman to become pregnant at any point in her menstrual cycle, especially women who have irregular periods.

How Many Days After Your Menstrual Period Do You Ovulate?

A woman’s monthly menstrual cycle(ماہواری یا حیض) is measured from the first day of the menstrual period until the first day of the next period. The average woman’s menstrual cycle is between 28-32 days, though shorter or longer cycles do occur in some women.

Ovulation(عورتوں میں بیضہ دانی سے بیضے کا نکلنے کا عمل)  usually occurs between Day 11 – Day 21 of the cycle, counting from the first day of the last period. Ovulation usually lasts one day, can happen any time during this window, and it’s not always the same each month. Women who have menstrual cycles(ماہواری کا ایک چکر) on the shorter side tend to be more likely to ovulate closer to day 11. Women with longer menstrual cycles may ovulate occur closer to day 21.

A woman is most fertile in this window when she is ovulating, and women who are trying to become pregnant use ovulation prediction to determine the optimal time to have intercourse, particularly if they are having difficulty conceiving. Even though most women do not ovulate during their periods, sperm can survive up to 5 days in a woman’s body so it is still possible for an egg to be fertilized if a woman has intercourse during her period.

Many women use ovulation calendars or period tracking apps to help predict when they will ovulate and be most fertile. Other methods, including observing cervical fluid, taking daily basal body temperature, and tracking periods can also help you identify when you ovulate.

Can Sperm Survive in Menstrual Blood?

It’s possible to become pregnant if you have unprotected sex while on your period because sperm can survive for up to five days in a woman’s reproductive system, even if a woman is menstruating.