Advice please 😭

Tori
So, where should I begin here. First let me start off by saying that I finally got my BFP, everything was going great I mean it was for real this time, it was really happening. Then one day after work I come home to notice brown spotting?.. I thought okay no big deal brown blood=old blood. A day or 2 went by, and there it was, bright....red....blood. I went to my ob asap. She later confirmed it was a miscarriage. I was 7 weeks along according to how my period was. She gave me a ultrasound, and said I was either extremely early or I was looking the baby?... That same day when I got home I start bleeding very heavily. I knew I had lost it. I went for more blood work 2 days prior and no more positive. I was so devastated, still am really. I told everyone when I got back to work and they of course was being sentimental towards me... "Its okay, it just wasn't time" "God had other plans" this all killed me little by little inside. Anyways a little bit down the road a couple of the girls I work with said I would be extremely fertile when the bleeding stopped. One said she went through the same thing as me and got pregnant when her bleeding had stopped. How true is this? Me and my partner have been trying since I stopped. My AF was due 4 days ago and no signs. 2 days after intercourse I had a tiny bit of brown blood.