There is no way you can ensure that a twin pregnancy will occur naturally, as it will depend on the probability that a woman will ovulate more than one egg in the same cycle or on the probability that the embryo will fragment and give rise to the development of two independent embryos.
Read the full article on: What differs in pregnancy with fraternal twins or identical twins? ( 43).
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.
