After Being Rushed to the Hospital, Charlene Is Told She

After being rushed to the hospital, Charlene is told she has an ectopic pregnancy. What does this mean?

A) The conceptus has not properly implanted in the endometrium and partial shedding has occurred.
B) The fertilizing egg has implanted in the fallopian tube and is growing outside of the uterus.
C) The zygote has divided into two blastocysts resulting in the implantation of two embryos.
D) The placenta has developed beyond the walls of the uterus.