Embryologist Maria De Las Heras explains that the puncture is not painful because it is performed in an operating room under anaesthesia.
By Gorka Barrenetxea Ziarrusta M.D., Ph.D. (gynecologist), María de Las Heras Martínez B.Sc., M.Sc. (clinical embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Marie Tusseau (invitra staff).
Last Update: 02/27/2019