Once sperms develop, they reach their peak in a short time
, so it is advisable to launch them early, in order that they move in the direction of the egg and try to fertilise it. It becomes a whole lot weaker with the passage of time and may decrease the probabilities of a girl getting pregnant considerably. It is therefore advisable for a couple to have intercourse regularly during the first two or three days, when she is most fertile as it will help her to get impregnated quickly.