Birthvontrol and pregnancy

Hello ladies . I'm seeing if any one has gone threw this before trying to ease my mind . I got my birth control removed from my arm sept 22nd and started to bleed the next day which I have heard it is normal just withdrawal blood only lasted a day almost 2 , but after that few days past I got a "period" on Oct 15th only lasted 5 days which ended on Oct 19th me and my hubby have been wanting to get pregnant that's why im off BC . but during my five day period we had sex and even after I have a app that tells me when i should have and when I ovulated which was Oct 29th we had sex from Oct 24 up to my ovulation day and I knew that my app was right about ovulation day because on the 29th of Oct I had alotttt of clear discharge that could be stretch 5cm with out breaking. Any who we even had sex going into the begging of Nov. 1 threw 3rd my app said my next expect period was Nov 11th and today is Nov. 30th and I still have no period I don't have money at this moment to get expensive test I have use the 88cent ones from Walmart . i took one the day i missed on the 11th then took like 4 more all in one Day on Nov 19 and still negative .........