She has been working at PEOPLE since 2023 ... "There were times that she was doing crazy stuff that every child does," Tish, 57, told David Letterman. David Crotty/Patrick McMullan/Getty When ...

"It is indescribable and such a relief," the 44-year-old tells PEOPLE of welcoming her daughter ... within 10 minutes of just [the doctor] doing the ultrasound, she said I had endometriosis ...