normal ultrasound prenatal screening images for mid-trimester
Conditions
Interventions
conventional ultrasound screening group:Researchers must first complete the screening and data collection in accordance with the Guidelines for Ultrasound Prenatal Screening (2022 Edition) before proc
S-fetus assistant screening:When using S-fetus for screening, the screening and data collection should be completed according to the guidelines as the primary research data. This does not interfere wi
Sponsors
Beijing Obstetrics and Gynecology Hospital,Capital Medical University
Eligibility
Sex/Gender
Female
Age
20 Years to No maximum
Inclusion criteria
Inclusion criteria: 1) Pregnant women in the mid-trimester requiring ultrasound examination; 2) Aged 20 years or older; 3) Gestational age between 20 and 24+6 weeks; 4) Singleton pregnancy
Exclusion criteria
Exclusion criteria: 1) High-risk pregnant women; 2) Pregnant women with mental disorders, and those cannot cooperate with the examination; 3) Pregnant women with fetal structural abnormalities or suspected abnormalities; 4) Pregnant women who cannot complete the screening due to fetal position, even after getting up and walking twice; 5) Pregnant women deemed unsuitable for participation by the researchers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Screening time;plane completeness rate;standardized plane rate;measurement completeness rate;standardized measurement rate; | — |
Countries
China
Contacts
Public ContactQingqing Wu, Xiaofei Li
Beijing Obstetrics and Gynecology Hospital,Capital Medical University
Outcome results
None listed