.At what bHCG would the chance of an ectopic pregnancy be 90% if a transvaginal ultrasound showed an empty uterus?

.At what bHCG would the chance of an ectopic pregnancy be 90% if a tra

1.	.At what bHCG would the chance of an ectopic pregnancy be 90% if a transvaginal ultrasound showed an empty uterus?
A.	500
B.	900
C.	1200
D.	1600
E.	2000
Answer» D. 1600