Breastfeeding and ovulation

Because I'm still pumping every two hours at 9m pp will my period not come back because of that? I haven't had a period since I got prego sept 2019 and someone told me that because I pump so often still my period won't come back and I won't ovulate because of that. This may be my second child but this is the first child I've ep'd with due to not being able to get a pump or latch with my first so my period came back fast with them and I got prego 9m pp. They didn't really teach this stuff in school lol.