Like HowStuffWorks on Facebook!

Guide to Being 25 Weeks Pregnant

What Your Partner Should Know

Starting around this week, a partner's involvement in the pregnancy can take a turn toward the intimate: It may be possible to hear the baby's heartbeat from the outside.

Sometimes, you can hear it now by placing an ear to the pregnant belly -- but not always. The easiest way to hear it is with a stethoscope, so ask the doctor at your next visit. It's a chance to experience this pregnancy in a sensory way that you, unlike mom, probably haven't been able to do up to now. You'll probably find it increases your excitement, your connection to your baby (will he have my hair?), and your bonding with your partner considerably.

Speaking of your plans for the next doctor visit, some other things to keep in mind …