I don't think so cuz he wouldn't say that his mom was the god of harmony if so
I think after orisis took anubis former body he did smh that caused him to forget his memories and that resulted him to forget the emotions that held him back from being a real god which horus mentioned before( the reason why horus didn't become a real god cuz he held on his affection towards seth) and so anubis became a true god and his form changed..
I think ra is still pregnant and didn't give birth tho cuz this chapter is an old memory or could be even be a fake one made by the god of disaster (the one with lion mask) cuz there's no current events of what the son god is doing now

I am vaguely remembering a pregnant sun god before Seth was send out