Cangzhou People''s Hospital Yihe Obstetrics and Gynecology Hospital Cangzhou City 061000 Hebei Province China;
Cangzhou People''s Hospital Yihe Obstetrics and Gynecology Hospital Cangzhou City 061000 Hebei Province China;
Cangzhou People''s Hospital Yihe Obstetrics and Gynecology Hospital Cangzhou City 061000 Hebei Province China;
Cangzhou People''s Hospital Yihe Obstetrics and Gynecology Hospital Cangzhou City 061000 Hebei Province China;
Cangzhou People''s Hospital Yihe Obstetrics and Gynecology Hospital Cangzhou City 061000 Hebei Province China;
Cangzhou People''s Hospital Yihe Obstetrics and Gynecology Hospital Cangzhou City 061000 Hebei Province China;
Hypertensive disorder during pregnancy; Serum cortisol levels; Perinatal prognosis;