The term navicular bone tends to refer to a bone at the top of the foot, located in close proximity to where foot and ankle meet. While most people will now accept this as the location of the bone, a bone in the wrist, most often called the scaphoid bone, used to be called the navicular too.
24 hours is the usual life span of the ovum. That's why it is important to have intercourse in the days just before you ovulate. Sperm should be waiting inside the fallopian tube when the egg is released to increase the odds of getting pregnant.The days just before ovulation are your most fertile days to conceive.4 hours is the usual life span of the ovum. That's why it is important to have intercourse in the days just before you ovulate. Sperm should be waiting inside the fallopian tube when the egg is released to increase the odds of getting pregnant.
Your fertile window is made up of the days in your menstrual cycle when pregnancy is possible. The length of this fertile phase is determined by the maximum life span of your partner's sperm and your egg. Sperm can survive a maximum of five days in fertile cervical fluid and your ovum can survive for up to one day.Your theoretical fertile window is thus six days long, comprised of the five days before ovulation and the day of ovulation. You only have a chance to conceive when you have intercourse on these days.he likelihood of actually becoming pregnant, however, is dramatically increased when you have intercourse in the three days immediately leading up to and including ovulation.