Cervical resistance during continuous controllable balloon dilatation prior to termination of unwanted pregnancy. Not Applicable
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 18-40 2. Pregnancy verified by an ultrasound 3. Singleton pregnancy 4. Gestational age of 10 weeks or less 5. Absence of uterine bleeding or cramping 6. Cervix and uterus without pathological changes 7. Closed external cervical os
Exclusion criteria
Exclusion criteria: 1. Any previous attempt at an abortion or use of substances for cervical maturation 2. Multiple pregnancy 3. Presence or, at minimum, the suspicion of a septic abortion, followed by an elevated body temperature of 38°C or higher, uterine pain and odorous vaginal secretions. 4. Presence of any previous intervention performed on the uterine cervix 5. Uterine or cervical anomalies 6. Intrauterine device in situ 7. Hemorrhagic and/or chronic diseases
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| To precisely measure, analyse and map the cervical canal during dilatation of the uterine cervix, and locate every point of resistance along the upper and lower sides of the cervical canal. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Association between values of cervical resistance and the number of previous miscarriages 2. Association between the values of cervical breaking point and number of previous miscarriages | — |
Countries
Serbia