preterm delivery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Pregnant women diagnosed as cervical insufficiency and planned to receive prophylactic cervical cerclage in our hospital at 12-14 weeks; or with cervical dilation or shorten and need to receive cerclage before 28 weeks; 2. Single pregnancy; 3. Age between 18 and 40 years.
Exclusion criteria
Exclusion criteria: 1. The pregnancy test indicated multiple fetal malformations; 2. Allergic to aspirin or contraindicated aspirin, such as digestive ulcer.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| gestational week of delivery; | — |
Secondary
| Measure | Time frame |
|---|---|
| outcom of newborns;times of admitted in hospital;gestational complications;intrapartum hemorrage;postpartum hemorrage; | — |
Countries
China
Contacts
Women's Hospital, Zhejiang University School of Medicine