3. Problems with sexual function. Sometimes it’s not just about having the right tools, but also the ability to use them that can make a difference. Even if your man seems perfectly healthy, problems in the bedroom such as difficulty with ejaculation, reduced sexual desire or erectile dysfunction might be preventing you from getting pregnant. It might not be the most fun conversation to have (again, men can be very sensitive on the topic), but it is important to seek help and be honest about any sexual obstacles you are experiencing.