Donor conception

Fertility tests before using donor sperm

Which checks may help protect time, money and donor samples before IUI or IVF.

Clinically reviewed by ProFertility · Updated 23 September 2026

In brief

Donor sperm is valuable and each treatment attempt has a financial and emotional cost. Testing before treatment is not about creating obstacles; it is about checking whether the chosen route has a reasonable chance of working and whether a different route would avoid repeated disappointment.

The appropriate assessment differs between someone planning IUI, IVF, reciprocal IVF or home insemination. ProFertility begins with the treatment decision you are trying to make, then selects the information needed to make it safely.

Cycle and ovulation assessment

Regular cycles often suggest ovulation, but the history still matters. Long, short or unpredictable cycles, bleeding between periods, severe pain or previous ovarian surgery may change the plan. Progesterone testing, when needed, should be timed to the individual cycle rather than automatically taken on day 21.

Ovulation-prediction kits can assist timing but do not evaluate tubal patency, the uterine cavity or egg-related time risk. A positive kit should not be mistaken for a complete fertility assessment.

Ultrasound ovarian reserve and tubes

Pelvic ultrasound can assess the ovaries and uterus and may identify fibroids, cysts or other structural findings. AMH and antral follicle count may help estimate ovarian reserve and expected response to IVF stimulation, but neither is a direct measure of egg quality or a guarantee of treatment success.

For IUI, tubal patency is particularly important because fertilisation normally occurs in the tube. History of pelvic infection, ectopic pregnancy, endometriosis or surgery may strengthen the case for targeted tubal investigation. The result can prevent money and time being spent on insemination when IVF or specialist treatment is more appropriate.

Infection screening and donor safety

Licensed clinics follow regulatory requirements for donor screening, sample handling, consent and traceability. Recipient screening may include infections and pre-pregnancy checks based on the clinic and treatment. A known donor should undergo appropriate clinical screening even when everyone involved feels healthy.

Screening reduces risk but cannot guarantee that no inherited or infectious condition will ever occur. Clinics should explain what has been tested, what family information is available and the residual limitations.

From test results to a treatment plan

A report that lists normal and abnormal results is incomplete. The results need to be interpreted against age, duration, symptoms and the proposed use of donor sperm. A slightly reduced ovarian reserve may be more important when several children are hoped for; one open tube may be compatible with IUI but could affect timing and expectations.

ProFertility organises findings into what is established, what may be contributing, what still needs investigation and what should trigger escalation. This avoids both false reassurance and indiscriminate add-on testing.

Questions before proceeding

Ask what each test changes, how long results remain useful, whether an abnormality needs confirmation and whether treatment can proceed while an issue is addressed. Clarify the point at which unsuccessful IUI should be reviewed rather than repeated automatically.

You should leave with a route forward: prepare and proceed, investigate first, optimise while arranging treatment, or escalate to IVF or specialist care.

What happens when the first results are reassuring

Reassuring results do not mean treatment will definitely work, and they do not make failed donor insemination unexplained in the sense of nothing being wrong. They mean the standard assessment has not identified a major barrier. Age-related probability, timing, the number of mature follicles, tubal function, endometrial factors and simple chance still influence each cycle.

A review should be planned before treatment begins. Decide how many attempts will be made before reassessing the diagnosis, the stimulation approach or the move from IUI to IVF. If new symptoms appear or treatment response is unexpected, the plan should change. Repeating identical cycles because the original tests were normal can consume valuable time and donor samples without generating new insight.

ProFertility treats testing as the beginning of the decision process. Results are connected with the intended treatment, the person's wider health and the point at which escalation becomes more sensible than continued optimisation. That is how a test becomes useful rather than merely reassuring.

Clinical sources

  • HFEA Fertility treatment for LGBT people
  • HFEA Reciprocal IVF
  • HFEA Using donated eggs sperm and embryos in treatment
  • NHS Ways to become a parent if you are LGBT+
  • GOV.UK NHS funded IVF in England access requirements
  • NICE NG257 Fertility problems assessment and treatment

Source check: 23 September 2026. This guide is educational and does not replace individual medical advice.