1. Your scan has revealed 3 minor chromosomal markers.
2. Triple marker test is a screening test usually done before 18 weeks. If triple marker test is positive you might need to go for genetic counselling
and undergo amniocentesis
to confirm (taking into consideration the risks involved while undergoing amniocentesis),
3. If the triple marker test is negative - proceed with fetal echo at 22 weeks
4. Further plan can only be based on the reports of above mentioned investigations.