As mentioned above, very viscous and lumpy semen can complicate the search for pregnancy because the high density can hinder the proper movement of the sperm and therefore prevent them from reaching the egg.
Although a certain density and consistency is needed during ejaculation, once in the vagina, the semen must liquefy so that the sperm can "swim" to the egg and fertilise it.
Read the full article on: How does semen density affect fertility? ( 78).
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.
