premature birth
Conditions
Interventions
Cohorts:NA
Sponsors
general hospital of armed police forces
Eligibility
Sex/Gender
Female
Age
16 Years to 45 Years
Inclusion criteria
Inclusion criteria: The correlation between fFN and preterm delivery (Study 1)inclusion criteria: A or BA. 24-28 gestational weeks, preterm birth with risk factors include: 1. the previous history of premature delivery or late abortion; 2. Aged 18 to 40 years; 3. underweight: pre pregnancy BMI >=18; 4. multiple pregnancy; 5. polyhydramnios; 6. development malformation of reproductive system: (double uterus, double angle and septate uterus etc.); 7. myoma of uterus (>4cm); 8. cervical incompetence (including cervical conization LEEP or history); 9. no prenatal care, low socioeconomic status; 10. pregnant women stand for a long time, especially the weekly standing for more than 40H; 11. Pregnancy after assisted reproduction technique; 12. The risk of infection of sexually transmitted disease, reproductive tract, or combined with sexually transmitted diseases; 13. with somatic diseases and pregnancy complications (including: viral hepatitis, acute pyelonephritis, acute appendicitis, severe anemia, chronic nephritis, heart disease, pregnancy induced hypertension syndrome, etc.) (1) 22-35 gestational week with threatened preterm labor symptoms (uterine or vaginal bleeding, etc.); The correlation between fFN and delivery (Study 2) inclusion criteria: (2) or (3, 4). before 40 weeks pregnant women with induced labor indications, no contraindication; (4) after 40 weeks patients with induction of prolonged pregnancy.
Exclusion criteria
Exclusion criteria: The correlation between fFN and preterm delivery (Study 1) study exclusion criteria: 1. vaginal disinfection before sampling in 24 hours; 2. severe vaginal bleeding; 3. premature rupture of membranes; 4. pregnant women can not bear the vagina secretion sampling of posterior fornix; 5. not to continue pregnancy (such as: placental abruption, fetal distress, severe surgical complications etc.); 6. the cervix has been opened more than 3-4cm; 7. the other fFN detecting contraindications. FFN launched the correlation and delivery (Study 2) study exclusion criteria: 8. vaginal disinfection before sampling in 24 hours; 9. severe vaginal bleeding; 10. premature rupture of membranes; 11. pregnant women can not bear the vagina secretion sampling of posterior fornix; 12. placenta, placental abruption, fetal distress, not vaginal delivery; 13. the other fFN detecting contraindications.
Countries
China
Contacts
Public ContactXiaoli Yang
Beijing Hotgen Biotech Co., Ltd
Outcome results
None listed