perterm infants
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: From July 2021 to July 2024, obstetricians in the Zhejiang region registered pregnant women who underwent routine prenatal examinations between 20+0 weeks to 22+6 weeks of pregnancy.The patient's obstetrician determined the gestational age based on the date of the woman's last menstruation, which was confirmed by ultrasound before 20 weeks of gestation.Pregnant women were enrolled in the study by obstetricians with their informed consent.
Exclusion criteria
Exclusion criteria: Before 20 weeks of pregnancy, pregnant women have internal diseases of important organs, such as congenital heart disease in pregnancy, uremia in pregnancy, prenatal B-ultrasound suggests fetal birth defects, and more than three pregnancies.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Preterm birth;stillbirth;Congenital ureaplasma pneumonia; | — |
Secondary
| Measure | Time frame |
|---|---|
| IUGR;Chorioamnitis;BPD;NEC;IVH;PVL;ROP;PH; | — |
Countries
China
Contacts
The Children's Hospital Zhejiang University School of Medicine