personally, directly, oneself

in person / personalmente: himself, herself, themselves

in case

provisionally, temporarily

after all, all things considered, ultimately / after all is said and done, when all is said and done

on average

(idiomatic) on the spot, without notice

(idiomatic) abruptly, suddenly, out of the blue / (idiomatic) cold turkey

in vitro fertilization

following, as a consequence of, as a result of, because of, in the wake of