Raggy
But that's a massive 'if'.
It's so hypothetical that it's difficult to argue it as a point.
Okay, let's say you took your company to a tribunal claiming sexual discrimination because you weren't allowed to take off time equal to a woman's maternity leave, your employer would be in their rights to say, "Okay, once you start ovulating, and then carry a baby to full term, we'll give you maternity leave".
The reason why men can't have maternity leave is coz we can't have babies.