The lack of result of embryo chromosome test is mostly caused by low sample size or contaminated sample or some other operation problems, which can be re-sampled for testing.
Fetal chromosome test is to obtain fetal chromosome gene test through blood sample or amniotic fluid sample, due to the need for culture, the test usually takes two weeks to one month time. Fetal chromosome test is to confirm whether the embryo developmental abnormality is caused by chromosomes or to screen the fetal chromosomes for abnormal structures.
The embryo chromosome test is inconclusive, which is usually due to the drawing of a small sample of blood or amniotic fluid or embryonic chorionic tissue, or the sample is contaminated on the way of transferring the test, which affects the test, or there are some uncontrollable factors in the operation that cause the test results may be biased.