A latest study has claimed that father's input right from the time of conception with the quality of his seminal fluid play a key and unique role in the future health of their children. Scientists have known for some years that seminal fluid is critical in determining whether or not a couple is able to conceive a child. According to University of Adelaide statement the researchers have now discovered that the fluid itself - not just the sperm - influences a range of developmental stages of the offspring particularly in sons. This in turn affects the chances of developing obesity