passages.id: split_8_test_1949_passage
passages.type: progene_text
passages.text: Regarding gestational risk , 3,243 drugs used ( 34 % ) belonged to category A risk , 1,923 ( 22.6 % ) to category B , 3,798 ( 39.7 % ) to category C , 289 ( 3.0 % ) to category D , and 55 ( 0.6 % ) to category X .