On 9th Feb I did my NT Scan where the NT was 2.40 and next day I did the double marker test where the combined trisomy was 1:136. My doctor suggested me another doctor for scan and further consultations where she performed the NT Scan where the NT was 2.30 and combined trisomy is 1:842.
1. How come there is so much of difference in combined trisomy data.
2. Further the doctors suggested to go either for NIPT or Needle test. As I am only 13 weeks
pregnant now, not sure which one to opt considering the cons of both.
Please suggest.