Table 2. Cases and Prevalence Rates of 20 Representative Prepregnancy Diseases and History of Surgeriesa.
| Diseases or Surgeries | Cases (Prevalence, %) |
|---|---|
| Anemia | 20,084 (16.9%) |
| Assisted Reproduction Technology (ART) | 8,194 (6.9%) |
| Uterine Leiomyomas | 7,393 (6.2%) |
| Carrier of Hepatitis B Virus | 6,645 (5.6%) |
| History of Hepatitis B Infection | 5,129 (4.3%) |
| Liver Diseases | 2,070 (1.7%) |
| Cervical Incompetence | 1,413 (1.2%) |
| Hematopathy | 1,142 (1.0%) |
| History of Cervical Surgery | 968 (0.8%) |
| Thrombocytopenia | 690 (0.6%) |
| Cardiac Arrhythmia | 538 (0.5%) |
| Pelvic Inflammation | 466 (0.4%) |
| History of Syphilis | 434 (0.4%) |
| Cervical Polyps | 428 (0.4%) |
| Congenital Uterine Malformation | 351 (0.3%) |
| History of Intrahepatic Cholestasis of Pregnancy (ICP) | 313 (0.3%) |
| Cervical Conization (Cone Biopsy) and LEEPb | 303 (0.3%) |
| History of Hypertension | 277 (0.2%) |
| Nongestational Diabetes Mellitus | 242 (0.2%) |
| Depression | 180 (0.2%) |
a
“Prepregnancy diseases and history of surgeries” refer to the pre-existing maternal health conditions or diagnoses present before the current pregnancy, including surgeries undertaken for the purpose of the current pregnancy, such as the assisted reproduction technology (ART) for in vitro fertilization. Items are listed in descending sequence of prevalence rate.
b
LEEP: loop electrosurgical excision procedure.