Help with dates

Grace
Hi just wondered if anyone can help with how far along I am/could be? 
​My last AF was on 11th April and lasted 6 days. My partner and I BD on our fertile dates roughly between the 21st -29th April. I then had what I'm not sure was AF on May 11. It only lasted 2 days which was unusual. All seems like AF, was heavy to begin and by then end of the day nothing and 2nd day just brown cm/mayb old blood (sorry tmi). We also BD on our fertile days between was between the 21st and 27th may.  
​I got my BFP wedns last week but struggling to figure out how far along I am. I've got a docs app in 2 weeks but driving me a little crazy now. 
​Anyone got any ideas? Will prob have to wait for a scan to be sure.