A says babies of older fathers may be more to have health . Scientists studied on over 40 million between 2007 and 2016. Compared to babies born to fathers 25 to 34, babies born to fathers over the of 45 had more health problems. They said babies could be born , be underweight or spend time in an intensive care . Researchers said babies born to older fathers were healthy.
A doctor said more was needed to prove that older fathers have less-healthy babies. The said: "I think it's to understand that the we are seeing are ....the risk may not change ." The doctors said governments need to be aware of these risks. He said: "There may be health implications of men...waiting to conceive." He said: "While the oldest father is 96...the risk...may increase if fathers conceive ."