The research says that child birth before the age twenty would decrease the breast cancer among the womens half the ratio. By analysing Microarray examination, the scientist discovered that genes involved in immune system where up-regulated after the earlier pregnancy.
The gene Wnt4 involved was down regulated after pregnancy. The protein present in Wnt4 gene is a feminising protein due to absence of this protein, propels the foetus as a boy. The scientist found that Wnt and Notch are cellular fate of opposing components which control cellular fate within organism.
