TTC wit Multiple Sclerosis

I’ve had MS since I was 12 now I’m 20 and ttc wit the love of my life! And it feels almost impossible. And everybody keeps sayin give it time and prayer but every month when my period comes it’s jst so depressing. It got so bad at one point I thought bout givin up n gettin on birth control cuz the depression of jst havin a period every month got to me so bad. Idk what else to do. Ive tried drs ive tried natural things I’ve tried not thinkin bout it. HOW DO I GET PREGNANT!? Lol