We all think that we are born from father and mother...
According to science it is the mature egg that releases into one of the two fallopian tubes during the process of ovulation. The egg lives for 12-24 hours after ovulation. It needs to be fertilized during this time for a baby to be conceived. If your egg meets a healthy sperm during its journey to the uterus, a pregnancy will begin
This process is connected with ATHMA (MAGNETIC POWER ENERGY) from the Lord to the womb in the ratio of 2:2:2 which is the brain, while each one of us are created. In tamil it says 
Poet Agathiyar has explained it as 96 Thavuvam - click here details
For bright life and future pracice Athomology