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Writer's pictureDr Sandra Yene Amougui

Prenatal paternity test? Who is the father of my child?

Dear doctor,

I have a delicate question. I had intimate relations with two different partners around my ovulation period. Can I know which one is potentially the father of my upcoming child? Are there means to calculate this precisely based on the conception date? Can an ultrasound help understand who the father of the child is? Or are there other tests that can help clarify paternity? Thank you for guiding me through this delicate situation.

Claire*, 29 years old *name anonymized



Dear Claire,

I understand that you're facing delicate questions regarding the paternity of your future child, especially after intimate relations with two different partners around your ovulation period.


Importance of Ovulation Timing:

It's crucial to note that the conception of a child depends on the timing of ovulation in the menstrual cycle. While the period around ovulation is theoretically considered the most conducive to conception, the reliability of ovulation date calculations can vary from woman to woman and be influenced by various factors.


Methods for Estimating Ovulation Date:

Several methods exist to estimate the ovulation date, including menstrual calendars, ovulation tests, and dedicated mobile applications. However, these methods are not infallible.


Optimal Pregnancy Dating through Ultrasound:

Ultrasound provides optimal pregnancy dating, ideally performed in the first trimester. If there's a variation of more than 5 days, it can guide us to determine the approximate age of the pregnancy more precisely than calculations based solely on the last menstrual period, offering a better understanding of the moment of conception.


Complexity of Dating and Father Search:

However, it's essential to note that sperm can survive for up to 5 days. If both sexual encounters occurred around the ovulation period, exact dating cannot precisely guide us in the search for the father of the child.


Paternity Test as an Option:

The only way to confirm a pregnancy and potentially identify the biological father is through a paternity test. Traditional paternity tests are usually conducted after birth, and blood type comparison can provide preliminary indicators. Still, more in-depth genetic tests may be necessary for more accurate results.


Ethical and Legal Considerations:

It's important to mention that a non-invasive but costly method, such as prenatal blood tests, may be considered in specific cases. However, these tests raise ethical and legal questions, and their availability may be limited in certain regions.


Ethical Considerations in Prenatal Paternity Testing:

Prenatal paternity testing before childbirth is not practiced in many countries due to ethical considerations regarding the potential decisions that the results of such tests can provoke. Before opting for such a test, it's crucial to reflect on the emotional and social impact of the result. It's recommended to discuss this with a healthcare professional or trusted individuals to make informed decisions.


Legal Complexity:

Legally, the situation can be complex, especially regarding the legal recognition of paternity. In many countries, the husband is automatically considered the legal father, while in other cases, paternity recognition or judicial decisions may be necessary. In complex situations, consulting a legal professional early on can provide appropriate guidance.


Conclusion:

Determining paternity is a delicate process involving medical, legal, and ethical aspects. It's advised to consult both healthcare and legal professionals to receive guidance tailored to your particular situation.


Take care,


Dr. Sandra Yene Amougui


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