However, there is a small percentage of women who have multiple ovulations, that is, they are able to release two eggs in the same menstrual cycle. In these cases, each ovary releases one egg and, therefore, fertilization of both eggs can take place. This fact explains the births of twins.
By Dra. Lydia Pilar Suárez (gynecologist), Marta Barranquero Gómez (embryologist) and Romina Packan (invitra staff).
Last Update: 03/02/2020