<Tr> <Th> Age </Th> <Th> Attempt no . </Th> <Th> Embryos transferred </Th> </Tr> <Tr> <Td> <37 years </Td> <Td> 1st </Td> <Td> </Td> </Tr> <Tr> <Td> 2nd </Td> <Td> 1 if top - quality </Td> </Tr> <Tr> <Td> 3rd </Td> <Td> No more than 2 </Td> </Tr>

Highest number of babies born in one pregnancy