Girls, hello! Can you tell me how everyone recovers their temperature …

Girls, hello! Can you tell me how everyone recovers their temperature after childbirth? Because I have 37-37.2 Just now, my niece is sick and her little one has a temp of 37.5, he has two teeth coming out Why am I asking, mom says that I always have this, I say that no, it's 36.6-36.8 sometimes