It is assumed by the present scientist that when women become 30 there ability to give birth to child reduces step by step. But after 30 years the problem of couple not having children wont exits says scientist .Scientist are working hard to take the skin cells of the men and combine it with female egg and grow it in an artificial manner. Scientist says it could take 30 years to complete this research and if it is successful irrespective of ages everyone can give birth to child. Even a 100 year old grandma can give birth to child. Even a born child can give birth to another child .and also scientist says it has an added advantage of even parents ordering child with white skin, intelligent, child which has more resistance towards diseases etc .