Unexplained subfertility.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: All subfertile couples in whom no reason is found during the basic fertility work-up for their subfertility and in whom their spontaneous pregnancy chance in the next year, calculated by the results of the basic fertility work-up, is between 30% and 40%.
Exclusion criteria
Exclusion criteria: All couples in whom a reason is found for their subfertility or who are having an other prognosis calculated.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary endpoint was ongoing pregnancy within six months. Ongoing pregnancy was defined as the presence of foetal cardiac activity at transvaginal sonography at a gestational age of at least 12 weeks. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary endpoints were total number of clinical pregnancies, miscarriages and multiple pregnancies. | — |
Contacts
Academic Medical Center (AMC), Center of Reproductive medicine, OFO-project, H4-213, P.O. Box 22660