Well...

... if you remove the kiddo from the picture and generalize what happened, you will get the following:

... your bf intentionally withheld information that was vital for your decision making, and, he was in the know that such information was vital to you because you cared enough to express your requirements and expectations clearly and coherently...

... imagine a guy who is having a very gentle intercourse with a girl at a party after having given her a date rape drug. And, using a condom. And, very gently and without brutal force. Almost lovingly. And caressing her ever so nicely. But still - he took away her power to make independent decisions...