MAR test (antisperm antibodies)
MAR test · antisperm antibodies · sperm antibody test · immune infertility in men
In the lab, sperm are checked under a microscope to see if antibodies are stuck to them. These antibodies make it hard for sperm to move and fertilize an egg.
For a couple's infertility, if sperm clump together or move poorly on a semen analysis, and after injury or surgery on the testicles.
⏱ Duration: giving the sample usually takes 10 to 20 minutes; results usually come the same or next day
Be sure to tell your doctor
How to prepare
- Abstinence. Usually 2 to 7 days without ejaculation. The lab will tell you the exact time.
- Before the test. For several days: no alcohol, steam baths, or sauna.
- Medicines. Do not stop anything on your own. Tell your doctor what you take.
- Together. The MAR test is often done together with a semen analysis from the same sample.
What to bring
- Your referral
- Your ID
- Past semen analysis results
How it goes
- You get a sterile container and are shown to a private room
- Wash your hands and penis with soap
- Collect all of the semen into the container by masturbating
- Close the container and hand it to the staff
- The sample is checked under a microscope right away
What you'll feel
- Nothing unpleasant physically
- It often feels awkward. That is normal. The staff are used to it
Afterwards
- Results usually come the same or next day
- If there are a lot of antibodies, the doctor will explain the options for conceiving
Common questions
Can I collect the sample at home?
Sometimes it is allowed, if you can bring it in warm within a short time. Ask the lab about the rules.
Can I use a condom to collect it?
Not a regular one. It contains substances that harm sperm. Use only the container from the lab.