Lammy talking about female biology is not in any way comparable, due to the fact he's a man and its an opinion.
You can't have opinions on biological fact.
He was wrong, he was factually incorrect.
Once again
"..it's probably the case that trans women don't have ovaries..." - wrong, factually incorrect, it's not probably, it's definite.
..but a cervix..is something that you can have following various procedures, hormones and all the rest of it..." - wrong, factually incorrect, transwomen, being male, cannot grow a womb or the neck of a womb.
His being a man is no excuse for ignorance of scientific biological facts. Unless you're saying all men are too stupid to learn such facts.