Frustrated

Hi, I have an amazing 4 1/2 year old. I got pregnant at 38. Now I'm with a new partner and I'm trying again at 43. I got pregnant last year but it was not viable. Among other things I was positive with chromosome t21 for Downs .. Now this is second month im trying. Im getting obsessed with getting  pregnant and staying pregnant. I took ovulation test and Glow told me I'm ovulating so had sex four times .. I hope I get pregnant.  I feel a heaviness in pelvic area and twinges .. Am I the only crazy person on this  .. I think it's all psychosomatic !! Help 😀