modding help

Hi everyone, I'm a newbie so I apologize if this is well-known info. Is there an easy and fast way swap genitalia at the very beginning of the game? Like during or just after character creation. Not making crazy genital characteristic changes, just vaginas for male characters and penises for...

so my nerd came out and thought can i mod steele to look like a nargacuga (or vaguely) from monster hunter (fave monster but hate its fight) so im wondering what would the correct mods for steele be to look like one