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Patient Information

Course of the treatment cycle

ArrowDonor insemination (DI). Treatment in Berlin
ArrowDonor insemination (DI). Treatment in a location away from Berlin
ArrowTest tube fertilisation (IVF)

Donor insemination treatment (DI) is extremely simple and not painful from a technical point of view. Because the treatment is in most cases performed on a healthy woman solely due to the male partner's sterility problems, the treatment process is not complicated. Parts of the treatment can even be performed away from Berlin, if necessary.

Donor Insemination. Treatment in Berlin

The actual insemination can be performed directly on site at the PraxisKlinik für Fertilität (Fertility Practice), which is located in the same building.

If all of the basic requirements are met, such as

  • preliminary gynaecological examinations
  • antibody tests
  • official contract
  • donor selection

the woman attends on cycle day 11 or 12 (about 2 days before the expected ovulation) for a gynaecological examination.
This examination can either be performed in the PraxisKlinik für Fertilität (Fertility Practice) or at the practice of your "personal gynaecologist".

Transvaginal ultrasound
A transvaginal ultrasound is performed to determine whether there is a mature follicle (17 - 20 mm in size) on one of the ovaries. The egg cell is located in this follicle.

Timing of insemination
After consultation by telephone with the Berlin Sperm Bank (Berliner Samenbank) and/or a member of the medical staff at the collaborating partner PraxisKlinik für Fertilität (Fertility Practice), the optimal timing for insemination is determined. Approximately 32 hours before this time, the estimated time of ovulation should be fixed by administering an injection. The insemination will have the best prospects for success if it is performed immediately around or before ovulation.

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If, based on the woman's previous experience, ovulation is expected on cycle day 14 (for example) and if this day falls on a Sunday or a holiday, the woman should, if necessary, attend for the ultrasound examination one day early (i.e. on cycle day 10 in this case). An egg cell in a follicle measuring 17 mm or larger is already mature and capable of being fertilised. This means that in such a case, ovulation can be advanced, for example, to Saturday without any risk to the prospects for success.

Preparing the sperm sample
After arrival in the PraxisKlinik für Fertilität (Fertility Practice) the Berlin Sperm Bank (Berliner Samenbank) is informed; there, the corresponding sample from the selected donor is thawed, evaluated and prepared for insemination. The sample will be available after 30 - 60 minutes.

After the patient has taken her place on the gynaecological chair, the cervix is positioned and cleaned as would be the case with a preventive care examination.
The sperm concentrate (containing 30 million sperm cells with good motility) is then advanced into the uterine cavity using a soft plastic catheter. This is usually a completely painless procedure.

End of treatment
After a 10 - 20 minute period of rest, the patient can go home.

The partner/husband is naturally welcome at all stages of treatment. Due to the specific nature of this kind of treatment, we even consider the presence of the partner or husband to be desirable.

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Sperm samples Sperm sample prior to preparation
Sperm centrifuge The sample is prepared in the centrifuge
Sperm samples The best sperm cells can be found at the bottom of the centrifuge tube
Sperm cells are checked to verify their quality The quality of the sample is checked prior to insemination
Catheter Catheter

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Donor Insemination. Treatment away from Berlin

If treatment is to be carried out locally or near the patient's home, the centre performing the treatment must have access to nitrogen storage facilities. For logistical reasons it is not possible to send individual samples directly at the time of insemination.

The Berlin Sperm Bank (Berliner Samenbank) will organise the shipment of sperm samples to the centre you choose so that you can be treated there in a stress free environment.

We will require the following to send a donor preselection list:

  • A brief cover letter explaining the reason for the planned treatment.
  • Furthermore, we will need the following documents, especially from the husband/partner:
    • One or more photographs of the man (these can be returned if requested). For older men, a photograph of them when they were young should be provided, if possible.
    • Eye colour
    • Hair colour
    • Height
    • Weight
    • Blood group (if known)
    • Ethnicity
  • You may also provide us with other information, such as
    • Hobbies
    • Professional training
    • Profession of the donor
  • A copy of the official contract
    (which may in some cases already have been requested from you by email)
  • HIV test results and
  • Hepatitis test results (from both partners) - the results must be no more than one year old

Shipment of the sperm sample
As soon as you have decided on a donor, we can send the samples to the appropriate treatment centre, protected from thawing with dry ice or liquid nitrogen.

In this case, treatment will follow the same process as described above for insemination, except for the fact that it will be the responsibility of the doctor there to decide when insemination is to take place.

Sperm storage straws
Clearly labelled shipping cartridges, which contain the sperm "straws”

In Vitro Fertilisation (IVF)

If in addition to the man being infertile, the woman suffers from a condition such as a blocked fallopian tube, donor sperm can, of course, be used to perform in vitro fertilisation (IVF).

The treatment process is no different from that of the "homologous system".

The only difference lies in the fact that donor sperm is used instead of sperm from the partner/husband.


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