Table 1. Clinical, laboratory and ultrasound characteristics of the studied population.
Characteristics (n=453)
Age (years) [median (IQR)] 38 (IQR 35-44)
BMI (kg/m2), n (%)
Underweight (≤18.5)
Healthy weight (18.6-24.9)
Overweight (25-29.9)
Obesity (≥30)
Not informed

7 (1.6)
244 (53.8)
140 (30.9)
36 (7.9)
26 (5.8)
Causes of appointments, n (%)
Endometriosis
Low ovarian reserve
Male factor
Tubal factor
Social cryopreservation of oocytes
Other causes

314 (69.3)
99 (22)
99 (22)
48 (10.7)
41 (9)
70 (15.5)
TSH (mIU/L) 1.67 (IQR 1.22-2.4)
FT4 (ng/dL) 1.27 (IQR 1.16-1.4)
FSH (mIU/L) 8.0 (IQR 5.7-12.6)
AMH (ng/mL) 1.47 (IQR 0.71-3.05)
AFC (number of follicles) 11 (IQR 7-17)

BMI: Body mass index; IQR: Interquartile range; TSH: Thyroid stimulating hormone;
FT4: Free thyroxine; FSH: Follicle-stimulating hormone; AMH: Anti-Mullerian hormone; AFC: Antral follicle count