Yes! Before you row, take a deep breath in, and on the exhale really pull your lower belly in ("hug your baby") to engage the abdominals and protect the lower back — just doubly important when you're carrying extra weight on the front. You can also try it with one knee and hand on a bench and just do it one side at a time, like this:

Of course, if anything feels painful or off, stop immediately.

(PS congratulations?!?! Meeeeep!)

Editor and writer. Past: Elemental, Real Simple, Refinery29, SELF. Certified personal trainer; prenatal and postnatal exercise specialist. Cat & person mom.