O98.1 - Syphilis complicating pregnancy, childbirth and the puerperium
O98.11 - Syphilis complicating pregnancy
O98.111 - Syphilis complicating pregnancy, first trimester
O98.112 - Syphilis complicating pregnancy, second trimester
O98.113 - Syphilis complicating pregnancy, third trimester
O98.119 - Syphilis complicating pregnancy, unspecified trimester