Yes, because the placenta produces hCG after embryo implantation. With a blighted ovum, even though there is no embryo, the placental tissue can remain in the body for a brief time and continue releasing hCG. They will stop doubling and begin to drop eventually, though.
Read the full article on: What Are Normal hCG Hormone Levels during Pregnancy? ( 69).
Andrea Rodrigo
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.
