The United States Preventive Services Task Force (USPSTF) strongly recommends universal screening of all pregnant women, while the World Health Organization (WHO) recommends all women be tested at their first antenatal visit and again in the third trimester.
United States Preventive Services Task Force (USPSTF) sangat merekomendasikan penapisan universal pada semua wanita hamil, sedangkan Organisasi Kesehatan Dunia menyarankan agar semua wanita dites pada kunjungan pertama antenatal dan sekali lagi pada trimester ketiga.