The Sperm's Long Journey. A man may ejaculate 40 million to150 million sperm, which start swimming upstream toward the fallopian tubes on their mission to fertilize an egg. Fast-swimming sperm can reach the egg in a half an hour, while others may take days. The sperm can live up to 48-72 hours. Only a few hundred will even come close to the egg, because of the many natural barriers that exist in a woman's body.
9.4 Giving birth. Normal delivery. Children that are born between the 36th and 39th week (38 and 41 weeks after the LMP) are considered as being normal deliveries. Statistically, only 2/3 of all children are born within the 3 weeks around the calculated date of birth and around 80 % within a month around the predicted date of birth.
Confidence votes 68. The rabbit will go through gestation for 31 days. They can give birth at 28 till 33 days. The physical act of giving birth takes a very short time, normally around 15-20 minutes. The gestation period (the time a bunny is pregnant) is between 28 -34 days depending on the bunny.After carrying for a month, they will then give birth.Normally this only takes a few short hours.he physical act of giving birth takes a very short time, normally around 15-20 minutes. The gestation period (the time a bunny is pregnant) is between 28 -34 days depending on the bunny. After carrying for a month, they will then give birth. Normally this only takes a few short hours.