infertility unfulfilled desire to have children
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Heterosexual couples 2. in which the woman is between 18 and 43 years of age 3. Unexplained subfertility (bilateral tubal patency, an ovulatory cycle and a normal semen analysis) 4. At least 30% chance of an ongoing pregnancy after natural conception within 12 months, estimated based on female age, duration of subfertility, type of subfertility (primary or secondary), percentage of progressively motile sperm, and referral status (self-referral, secondary or tertiary care referral) 5. Sufficient command of the Dutch or English language 6. Willingness to give informed consent
Exclusion criteria
Exclusion criteria: Somatic or psychological problems interfering with couples* ability to have intercourse
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary outcome: ongoing pregnancy conceived naturally within six months after randomization. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcomes: time-to-pregnancy, live birth rate, costs, sexual activity, wellbeing and sexual functioning. | — |
Countries
Netherlands