How long can Dongguan Dongcheng be pregnant and do fetal non-invasive paternity test?

More than 6 weeks! Non-invasive: only 10mL maternal peripheral blood was collected. Non-invasive fetal paternity test is to collect 10ml maternal peripheral blood, extract fetal free DNA, obtain fetal genetic information from it, and confirm paternity. High safety and accuracy: Using 13000 locus for accurate detection, the accuracy rate is as high as 99.999%. After strict testing, it can be detected from the sixth week of pregnancy to before delivery.