<unk>  is caused by Treponema pallidum, its transmitted to the fetus in utero from an infected mother via the placenta. The severity of the disease is dependent on the stage of maternal infection and the duration of exposure to the fetus. Transmission is typically in the second trimester and the highest rates of transmission are seen in women with primary<unk> . The rates of transmission decrease with the increasing duration of the maternal infection, as the concentration of spirochetes in the blood stream decreases.<unk>  infection to the fetus in utero can result in stillborn, miscarriage and a live birth with severe manifestations of hydrops. Prenatal screening for<unk>  during the first trimester is recommended to all pregnant women and adequate treatment with penicillin prevents the transmission to the fetus.
Congenital syphilis
Congenital Toxoplasmosis
Neonatal herpes simplex
Congenital CMV
Congenital rubella syndrome
Neonatal lupus erythematosus
Neonatal malaria
Mumps