Obesity has been shown to decrease the spontaneous fertility of a couple by altering the male factor, that is, by the seminal quality and also by altering 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 affected by a high BMI because alterations in the ovarian cycle are induced that lead to ovulatory dysfunctions and, in addition, a greater number of spontaneous abortions.
Although there is no standardised criterion, a BMI in women equal to or greater than 32 kg/m2 may to interfere with the achievement of gestation.
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