Ovary twinges in early pregnancy after ivf

Just got my bfp June 8th i get so worried with every little thing i feel with 2 ectopics behind me. I have no tubes so that relaxes me a bit. But I have been feeling this off and on uncomfortable twinge on my ovaries. Im not sure if i should call it a twinge, feels like some pressure. Anyone ever heard of this? Im hoping since i never had a uterine pregancy, maybe this is all normal. I will feel a lot better once i go for my 1st u/s and they see it in the uterus. Thank you!