Contraception
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Parous women, aged 20-40 years; 2. Relying solely on the IUD for contraception; 3. BMI = weight kg / (height m) 2, between 19 to 30; 4. Regular menstrual cycle; 5. After the three months spontaneous vaginal delivery or Caesarean section six months or more. Breast-feeding postpartum women over six months and has been turning. After at least one normal menstrual abortion, medical abortion after 2 times the normal menstruation; 6. Hb>100g/L; 7. Normal outcome of general examination and gynaecological examination; 8. Without contraindication for IUD insertion; 9. Voluntary participation in the trial and signed informed consent; 10. Comply the clinical testing procedures.
Exclusion criteria
Exclusion criteria: 1. Those who do not meet the medical criteria; 2. Less than 48 hours postpartum; 3. Current pregnancy; 4. Current sexually transmitted disease or purulent cervicitis; 5. Congenital malformation of the uterus, multiple uterine fibroids; 6. Genital tract bleeding other than that attributable to menses; 7. Clinical or laboratory evidence of anaemia or endometrial cancer; 8. Allergy to copper; 9. Severe acute and chronic systemic diseases, such as heart failure, severe anemia, diseases and acute phase of various diseases and the like; cardiovascular, gastrointestinal, liver, kidney, respiratory system disease history or an existing above.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pregnancy;fall off;Menstrual conditions;take-off rate due to symptom;Withdraw; | — |
Countries
China