IVF or in vitro fertilization is also an acronym for “in a glass”. simply put, ivf is the introduction of a man’s sperm to a female partners eggs in the setting of a lab to produce an embryo. for many couples, in vitro fertilization in cancun is an option for couples who cannot naturally conceive through other methods. the embryos are put back into a woman’s uterus after 3 to 5 days of being in an incubator with the high chance that they will grow into a baby