Pregnancy with cervical insufficiency
Conditions
Interventions
Group 2:Single cervix clasp
Group 1:Double cervix clasp
Sponsors
Lanzhou University Second Hospital
Eligibility
Sex/Gender
Female
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 40 years; 2. Pregnant women who meet the diagnostic criteria for cervical insufficiency: 3. Diagnosis based on medical history It is currently believed that even if it is 1 or 2 times of painless cervical dilation in the third trimester of pregnancy, followed by no uterine contractions in the second trimester, labor signs and bleeding, infection, membrane rupture and other clear pathological factors, pregnancy products are discharged. The typical medical history can be diagnosed; 4. Diagnosis based on ultrasound markers such as cervical length and cervical shortening in the second trimester. The critical value of cervical length is 25 mm, and cervical insufficiency is considered when the cervical length is less than 25 mm; 5. Trial diagnosis in non-pregnant period Including hysterosalpingography (HSG), luteal phase with cervical dilator 7 to assess cervical dilation method. 6. Pregnant women who have undergone transvaginal cervical cerclage; 7. Willingness to participate in this research.
Exclusion criteria
Exclusion criteria: 1. Fetal abnormalities; 2. Clinically significant maternal-fetal complications (such as fetal red blood cell alloimmunity, chronic hypertension, insulin-dependent diabetes mellitus, placenta previa, placental abruption); 3. Ultrasound and hysteroscopy found abnormal uterine structure (such as uterine malformation, uterine fibroids, etc.); 4. Unexplained vaginal bleeding; 5. Combined with the following diseases and the symptoms have not been controlled: asthma, type II diabetes, serious infection; 6. History of cervical cerclage in the past; 7. Patients with voluntary termination of pregnancy or medically directed delivery due to preeclampsia, intrauterine fetal death and/or uncertain fetal status before 35 weeks of gestation; 8. Refuse to participate in this researcher.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Abortion;Incidence of obstetric complications;Birth weight;neonatal survival rate;Apgar scores at birth;The operation time;Average length of stay;Length of the cervix before and after suture; | — |
Primary
| Measure | Time frame |
|---|---|
| The rate is less than 34 weeks; | — |
Countries
China
Contacts
Public ContactWang Fang
Lanzhou University Second Hospital
Outcome results
None listed