Flight Crew Last 90 Days 129; Flight Crew Total 7491; Flight Crew Type 7491
Inflight Event / Encounter Weather / Turbulence
General Physical Injury / Incapacitation
Environment - Non Weather Related
Descending into [destination] and leveling at 11;000 feet; moderate turbulence was encountered and 3 flight attendants were injured.  Airplanes in front of us did not mention any turbulence and we were not deviating for the weather.
On arrival we had been told to expect only light chop in the descent and had the seatbelt sign on. As we entered a small cloud layer between two cells barely displaying on our radar display we encountered about 3 seconds of moderate turbulence. We called back to check on the Flight Attendants to find that two had fallen and had hit their head. Not knowing the severity of their injuries we [contacted ATC] when ATC gave us a delay vector to ensure expeditious handling to the airport. We also requested an inflight supervisor and paramedics meet us at the gate to err on the side of safety.
A B737 flight crew reported they encountered unforecasted turbulence and several flight attendants were injured.