Could I possibly be pregnant??

Right guys I need some advice/help cause I’m driving myself crazy!! I’ve been wanting a second child for a good few months now and my partner and I have talked about adding another to our family, so on the 28th March I did an ovulation test (the Clearblue Digital ovulation test) and I got a smiley face, we then acted on the same day and then again Saturday evening and I’m just wondering have I missed my chance or acted at the right time and could I hopefully possibly be pregnant??