Is there a distinct fertile window in a woman's cycle?

The cervix becomes soft, high, open and wet during the fertile window.

You open it: "Your fertile window opens today and lasts five more days," it says.

This enables identification of the fertile window through the use of commercial thermometers.

Because the fertile window arrives at approximately the same time each month, calendar methods can be used to predict ovulation.

They have also questioned the assumption that embryos conceived on the fringe of a woman's fertile window are less likely to be viable.

Fertility testing is the process by which fertility is assessed, both generally and also to find the fertile window.

A double intrauterine insemination theoretically increases pregnancy rates by decreasing the risk of missing the fertile window during ovulation.

Clue is a mobile application that calculates and predicts a user's period, fertile window, and premenstrual syndrome.

The Standard Days Method identifies days 8-19 of cycle for women with cycles between 26 and 32 days long, as the potential fertile window.

Calendar-based methods rely on tracking a woman's cycle and identifying her fertile window based on the lengths of her cycles.

This so-called fertile window is open four to five days prior and through ovulation, and it's suggested you have intercourse every 24 to 48 hours during that period.

Progesterone, the researchers say, is mediating this drop in desire from the fertile window to the luteal phase -- the second half of the menstrual cycle.

By synchronising your mid-cycle ovulation to your natal lunar fertile time, you have a doubly charged fertile window of opportunity.

In further experiments using mice, the team found that levels of SGK1 in the womb lining decline during the fertile window in mice.

This fertile window varies from woman to woman, just as the ovulation date often varies from cycle to cycle for the same woman.

Tian Tian is only able to conceive for 36 hours each year, and experts believe this fertile window will fall within the next 10 days, or perhaps even less.

And if you are trying to conceive a girl you should time intercourse as far as way from ovulation as possible, while still being in your fertile window.

And because both male and female monkeys take Wa little time to get to know their new partners before mating, pair disruptions could lose critical months during that fertile window.

This database of 7017 menstrual cycles contributed by 881 women permits improved modeling of the length and location of the fertile window and the pattern and level of daily conception probability.

The Standard Days Method is based on the fact that there is a fertile window during a woman's menstrual cycle which begins several days before ovulation and ends a few hours after ovulation.