None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18-40 years; 2. Patients diagnosed with intrauterine early pregnancy, 6-10 weeks of pregnancy, voluntarily requested to terminate the pregnancy, and received abortion; 3. There is a history of primary or secondary dysmenorrhea before pregnancy, and there is no other endocrine or organic disease; 4. Regular menstrual cycle 3 months before pregnancy, 25-35 days, 3-10 days menstruation; 5. Voluntarily cooperate with observation and treatment, and have signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. There are contraindications to the use of contraceptives; 2. Missed abortion; 3. Obese BMI > 28; 4. Aged > 35 years and smoking > 15 cigarettes per day; 5. There are risk factors for arterial cardiovascular disease such as diabetes and hypertension (systolic blood pressure >= 140 mmHg diastolic blood pressure >= 90 mmHg); 6. Current or former deep vein thrombosis/pulmonary embolism, or known abnormal coagulation factor; 7. Currently suffering from breast cancer or a history of breast cancer; 8. Patients with acute genital inflammation (such as acute pelvic inflammatory disease, acute vaginitis, etc.); 9. Liver and kidney insufficiency or other diseases that may affect the test results; 10. Other conditions deemed inappropriate by the clinician.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Menstrual pattern;Improvement of dysmenorrhea; | — |
Countries
China
Contacts
Guangzhou Women and Children's Medical Center