<Tr> <Td> low birthweight </Td> <Td> 1.65 </Td> <Td> 1.56--1.75 </Td> </Tr> <Tr> <Td> perinatal mortality </Td> <Td> 1.87 </Td> <Td> 1.48--2.37 </Td> </Tr> <P> If the underlying infertility is related to abnormalities in spermatogenesis, it is plausible, but too early to examine that male offspring are at higher risk for sperm abnormalities . </P> <P> IVF does not seem to confer any risks regarding cognitive development, school performance, social functioning, and behaviour . Also, IVF infants are known to be as securely attached to their parents as those who were naturally conceived, and IVF adolescents are as well - adjusted as those who have been naturally conceived . </P>

Where is an ova fertilised for most couples