A little advise..

Ok my fellow Femera ladies..I need your assistance. I started Femera in Jan. 
Jan/Feb- Cd 1-9 with timed intercourse
March -Cd 1-9 <a href="https://glowing.com/glow-fertility-program">IUI</a>-BFN 
April - no meds botched cycle..not sure when I ovulated but I had a 30day cycle ( regular is 25/26 and 27 on Femera) and a 2 day period.: 
leading to May.. 
I had my Day 3 u/s, then 10day which led to a trigger and <a href="https://glowing.com/glow-fertility-program">IUI</a> on Cd 11:) Progesterone suppositories started on Cd 13 
FFW to now..I'm 8dpiui9dpt..
Here lies the questions...
1. Do you gain weight on Femera treatments? 
Or the HCG shot? Or the Progesterone? 
2. What are the chances that a dr would have missed a potential pregnancy at the cd3 or 10 ultrasounds? 
I know it sounds crazy and believe me I feel like a looney bin...but I'm honestly wondering if maybe I conceived my April cycle and it was missed..
I have doubled my bra size (and they hurt..which I know can be a pms/progesterone cause) I don't fit my pants, and I have a belly. Not a flabby fat one..a round one starting from right above my pelvic bone. 
Based on my cycle it would put me at approx 7 weeks today, so "showing" would be unlikely..however this would be my fourth so things may happen quicker than normal lol.
Help!!