Absolute | Relative |
· Rupture of membranes. · Premature labor. · Persistent unexplained vaginal bleeding. · Placenta previa after 28 weeks gestation. · Preeclampsia. · Incompetent cervix. · Intrauterine growth restriction. · High-order multiple pregnancy (e.g., triplets). · Uncontrolled type I diabetes. · Uncontrolled hypertension. · Uncontrolled thyroid disease. · Other serious cardiovascular, respiratory, or systemic diseases. | · Recurrent pregnancy loss. · Gestational hypertension. · A history of spontaneous preterm birth. · Mild/moderate cardiovascular or respiratory disease. · Symptomatic anemia. · Malnutrition. · An eating disorder. · Twin pregnancy after 28 weeks. · Other significant medical conditions. |