Get a licensed funding record by knowing few of these stuff. It is a known fact that females do not get pregnant immediately after sex because it takes up to six days for a sperm to reach an egg present in the fallopian tube and fertilize it - Click here for more info. it then takes a period of at least six to ten days for the fertilized egg to place itself on the lining of the uterus wall so as to undergo development. The HCG hormone in humans can be used to tell pregnancy during this period of time and it is the HCG hormone which actually further facilitates the pregnancy in your body.