About this test
Have you found a stain which you suspect might be semen? Does the stain actually contain semen? EasyDNA offers semen detection testing – a laboratory based test that will confirm or exclude the presence of semen in the sample sent*.
The results of your semen detection test will be issued in 10 working days from receipt of samples at the laboratory (15 working days if ordering the 3-Step Semen Detection Test, see below for more information)
Note: Please note this test requires consent and photographic ID from all parties. Because it is a criminal offence to test a person’s DNA or biological material without the source’s informed consent, we cannot process any samples submitted without the full consent and ID of all participants.
Is there a semen detection test kit?
While other companies offer a home testing kit to allow you to detect the presence of semen, home testing kits are not as accurate as laboratory-based tests, which is the service that we offer.
Our semen detection test does not require a kit. We just need your sample (e.g. underwear, bed sheets, condom, or any other item).
Once we confirm your order, you will be sent a confirmation email with a form attached. The form needs to printed, filled out and returned with your sample. Ensure to place the sample to be tested in a paper envelope.
If you plan sending in more than 1 sample, contact us for a quote.
The samples for semen detection
We can test a vast range of samples for the presence of semen. Typically, our clients send bed linen, underwear or an item of clothing. You must however, before sending any sample, locate the stained area, cut out and package it to be sent off to the laboratory.
If you are unsure about the viability of the sample, do not hesitate to contact our customer support team.
How the laboratory tests the sample
Our laboratory testing process is able to detect as little as 1 μL of human semen.
The RSID™-Semen test is specific for human semen and is the most accurate Semen Detection Test available. It has numerous advantages over other methods for semen detection, which include increased sensitivity, specificity, and speed.
This test detects the presence of semenogelin which is a protein produced by the seminal vesicles and is responsible for the coagulum associated with ejaculate.
The results of a semen detection test
Our semen detection test will offer one of the following results:
- A positive result: In this case, the presence of semen or sperm has been detected.
- A negative result: In this case, the presence of semen or sperm has been excluded.
The 3-Step Semen Detection Test
While RSID™-Semen test will conclusively detect the presence of semenogelin, it will not detect prostate specific antigen (PSA, also known as p30), sperm cells or spermatozoa.
If yo want to test for the presence of spermatozoa or sperm cells, we recommend that you select the 3-Step Semen Detection Test upgrade during checkout.
For an additional $50 the laboratory will perform the following three-step testing process:
- Acid Phosphatase (Prostatic Acid Phosphatase or PAP) Screen: This enzyme is produced in the male prostate. If the screening produces a positive result, our scientists will move on to the next two steps.
- Prostate Specific Antigen test (PSA): PSA is produced by the prostate gland, and an adult male’s semen contains significant levels of this protein.
- Christmas Tree Stain: This is a microscopic analysis that visually identifies sperm cells using dyes of different colours (green and red).
When ordering the 3-Step Semen Detection Test, please allow an additional 5 working days for results.
DNA testing following a semen detection test
If the semen detection results are positive, you may wish to carry further testing through DNA analysis to try and confirm the identity of the donor. Please contact us to discuss your request and obtain a quote. Note that we will require full consent for this service.
Attention about DIY Instant Home Kits
Please note this is not a DIY instant home test that can detect the presence of semen instantly by rubbing a solution on an affected area and observing a colour change. Home semen detection kits are known as presumptive tests and only provide an indication as to whether semen is present or not. Presumptive tests also have a chance of false positives and are thus only reliable when it comes to excluding the presence of semen.
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