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What is the maximum BMI to be accepted for IVF treatment?

By Marita Espejo Catena M.D., M.Sc., Ph.D. (gynecologist on Instituto FIVIR clinic).
Last Update: 06/25/2019

Obesity has been shown to decrease the spontaneous fertility of a couple by alteration of the male factor, that is to say, of the seminal quality and also by alteration of the ovarian function.

In addition, gestation rates after assisted reproduction treatments are also reduced when this factor (obesity) is present.

It is probably the female factor that is most intensely affected by a high BMI, since alterations are induced in the ovarian cycle leading to ovulatory dysfunctions and, in addition, a greater number of spontaneous abortions.

Although there is no standardised criterion, it is considered that a BMI in women equal to or greater than 30 may interfere with getting pregnant.

 Marita Espejo Catena
Marita Espejo Catena
M.D., M.Sc., Ph.D.
Gynecologist on Instituto FIVIR clinic
Graduated in Medicine and Surgery from the University of Valencia in 1992. Specialist in Gynaecology and Obstetrics. Doctor in Medicine from the University of Valencia in 2000. Master in Assisted Human Reproduction by the Rey Juan Carlos University and IVI in 2008. Currently, she is the director of Instituto FIVIR.
License: 464616497
Gynecologist. Graduated in Medicine and Surgery from the University of Valencia in 1992. Specialist in Gynaecology and Obstetrics. Doctor in Medicine from the University of Valencia in 2000. Master in Assisted Human Reproduction by the Rey Juan Carlos University and IVI in 2008. Currently, she is the director of Instituto FIVIR. License: 464616497.