First Sonogram

 With a pounding heart and stressed face, Nia went to the doctor’s clinic to get an answer to her strange feelings. As Robert had some work that day, he could not join her then. The doctor performed the first sonogram and instantly asked Nia if their family had this history of multiple births. Nia already had twins before so she told the doc about the same.  But, what the doctor found in the sonogram, compelled her to perform another ultrasound on Nia. What was the matter?