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.
The fertilizable life of the human oocyte varies in the range between 12 and 24 hours. However, immature human eggs recovered for in vitro fertilization can be fertilized even after 36 hours. Fertilizable lifespan of human sperm is estimated to be around 48 to 72 hours.he fertilizable life of the human oocyte varies in the range between 12 and 24 hours. However, immature human eggs recovered for in vitro fertilization can be fertilized even after 36 hours. Fertilizable lifespan of human sperm is estimated to be around 48 to 72 hours.