Table 2: Termination of pregnancy by the type of birth defects.

Type of anomalyGroup IGroup IITotal
NumberPercentNumberPercentNumberPercent

Down syndrome147.0379.2518.5
Hydrocephaly199.55012.46911.4
Chromosomal anomaly31.592.2122.0
Limb deformation147.04811.96210.3
Heart anomaly73.551.2122.0
Hydrops fetalis2612.9358.76110.1
Spinal muscular atrophy84.071.7152.5
Oligohydramnios2110.4287.0498.1
Microcephaly73.5256.2325.3
Polyhydramnios84.0194.7274.5
Major thalassemia63.000.061.0
Neural tube defects4421.99222.913622.6
Others2411.94711.77111.8