At least a dozen pregnancy centers throughout the city will have to post notices saying they do not perform abortions and a host of other services, under a bill the City Council passed yesterday.

The council voted, 39-9, with one abstention, to force nonmedical pregnancy centers to place signs in waiting rooms and at entranceways stating their policies on providing prenatal care, emergency contraception and abortions.

Centers that do not have a licensed medical provider on hand must also inform patients.

Council sponsors say the bill — which Mayor Bloomberg plans to sign into law — will protect vulnerable women from being pressured by pro-life advocates against having abortions.