The UK scored 100 in all of the 8 categories measured apart from "having children" where it scored 80.
The questions looked at for "having children" were:
Is there paid leave of at least 14 weeks available to women?
Does the government pay 100% of maternity leave benefits, or parental leave benefits (where maternity leave is unavailable)?
Is there paid paternity leave?
Is there paid parental leave?
Is dismissal of pregnant workers prohibited?