Hi Doctor, Good day and have a query on the below and would like to ask. i have done pregnancy test and came positive and did beta hcg bloodtest twice and stats says 678 mlu and 1222mlu after 48 hours respectively. Recently did ultrasound scan and radiologist says msd is smaller than CRL so I am bit worried so can some help me with this and do I need to take any precautions. MSD =1.02cm CRL 0.82cm Yolk sac 1.8mm Cervical length 3.2cm Appreciate your response and thank you in advance.