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Do you recall the 1988 movie Twins that starred Arnold Schwarzenegger and Danny DeVito as twins separated at birth? It was obvious their starkly-opposite characters had different fathers, paternity testing aside. In reality, this is a real but rare phenomenon known as heteropaternal superfecundation. It results in twins being conceived with two different biological fathers.
There are two ways heteropaternal superfecundation can occur. One way is if a woman releases two eggs at the same time and has intercourse with one father-to-be before the eggs are released, and another just after ovulation. The second way is if two eggs are released a few days apart in the same reproductive cycle. To determine if fraternal twins have the same father or not, parents can get a DNA paternity test for the kids and their possible fathers. It is important to note that non-invasive prenatal paternity testing is not an option when a woman is carrying twins or other multiples; in these instances, a postnatal test becomes necessary.
What Does DNA Testing for Paternity Include?
A common question people ask is whether a DNA test for paternity can be done on more than one child at the same time, whether they are twins or not. Paternity-testing cost covers one child plus one possible father, and the mother (her participation is optional, but recommended). In some cases, the mother’s participation in testing can help to strengthen results. A home paternity test provides the answer to just one question—whether the man being tested is the biological father of the child being tested. Therefore, even when you submit samples at the same time for multiple children, each additional child being tested requires a separate lab fee.
The Benefits of Parental DNA Tests
A DNA paternity test is considered the gold standard for proving a biological relationship between a possible father and child, from both a scientific and legal standpoint. Highly-accurate paternity tests have provided millions of women, men, and children with peace of mind and legal rights. Whether you choose a home paternity test or require a chain-of-custody test as proof of paternity for legal reasons, you can trust results from a highly-accredited lab to be accurate.
Bottom Line: You Can Test Multiple Children for an Additional Fee
When you order a home paternity test from DDC and wish to include more than one child, it costs an additional £55 per person. Each kit includes the required four swabs per participant, so you will receive an additional four swabs for each person you add. This affords considerable savings compared to ordering separate tests for each additional child. And if you need to order a legal DNA test and wish to include more participants, let us know when you call for a free consultation and we will provide an accurate quote.
At DDC, we perform over one million paternity tests each year at our state-of-the-art facility and understand how important it is to provide fast, accurate service at an excellent price. Online results are available just a few days after the samples arrive at our lab.
