What is the earliest the test can be performed?

Question:

What is the earliest the test can be performed?

Our answer:

From around 10 weeks of pregnancy, the mother’s blood usually contains enough foetal DNA to establish a match with the alleged father. It is possible to obtain a DNA profile earlier in gestation (after 7 weeks) but this can be unreliable and require a repeat test closer to 10 weeks gestation.

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