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Quickly extract large quantities of milk with the battery-powered Medela Pump In Style Advanced, $350, designed to pump both breasts at once. medela.com.
The hospital-grade Playtex Embrace Breast Pump, $249, encourages letdown with a faster setting, then adjusts to mimic your baby's deeper suckling. babiesrus.com.
Experiment with the speeds and rhythms of the Avent Isis iQ Duo, $399, to find out which combination is best for you. Set it with the memory control button, and you'll have your own perfect setting every time. aventamerica.com.