what do you ladies think ?

Ga
So I got my iud of December 14th bleed like a period from the 15th to the 20th. I had sex the 20th and took a ovulation test it was super faint like I was going to ovulate soon but I wasn't yet. I had sex with a condom and he pulled out as well. I am scared I might be pregnant cause you know they say you are very fertile after you get off of birthcontrol. Also I had sex yesterday before sex I took a ovulation test and it came back negative so I knew I wasn't ovulating anymore and had sex with a condom again and he pulled out just in case. I just don't want to fall pregnant before I start my new form of birthcontrol pills that will help also prevent me from getting pregnant. What do you ladies think ?