Keyphrases
Singleton
100%
Mid-gestation
100%
Sonographic
100%
Length Distribution
100%
Gestational Age
83%
Debris
83%
Black Men
66%
Racial Disparities
50%
United States
33%
Hispanic
33%
Risk Factors
33%
Preterm Birth
33%
Self-reported Ethnicity
33%
Self-reported Race
33%
Black Hispanic
16%
Race-ethnicity
16%
Randomized Trial
16%
Medical Center
16%
Hispanic Patients
16%
Other-race
16%
Pregnant Women
16%
University-affiliated
16%
Geographically Distributed
16%
White Patients
16%
Nulliparous Women
16%
Treatment Trials
16%
Sonographer
16%
Preterm Birth Rate
16%
Racial Distribution
16%
Transvaginal Ultrasound
16%
Midtrimester
16%
Screening Data
16%
Ethnic Distribution
16%
Medicine and Dentistry
Nulliparous
100%
Premature Labor
37%
Cervix
37%
Racial Disparity
25%
Ethnic Disparity
12%
Birth Rate
12%
Sonographer
12%
Study Participant
12%
Vaginal Ultrasonography
12%