Lullabies
Back to glossary
Glossary · D

Duckbill

What it means, when you'll hear it, and what it actually changes in practice.

Breast pump valves vary by shape. A duckbill valve – you guessed it – resembles a flat, wide duck bill. Some moms notice better suction or output from certain types of valves, so it's worth experimenting if you're looking for better results.

Still not sure

Definitions only get you so far. Let's talk about your baby.

A free 15-minute discovery call. No commitment, no script — just tell me what's going on and I'll tell you whether I can help.

Book a discovery callBack to the glossary