Impact of obesity on endometrial blood flow in women without polycystic ovarian syndrome during intracytoplasmic sperm injection

Table 1 Baseline characteristics and ovarian response in non-PCOS women (n = 206) according to BMIs (kg/m ² ) in ICSI

	BMI < 18.5	18.5 ≤ BMI < 24	24 ≤ BMI < 28	BMI ≥ 28	P
No. of patients	42	80	44	40	-
Age (y)	28.9 ± 4.5	29.2 ± 4.1	29.0 ± 3.9	30.5 ± 4.0	0.830
Infertility duration (y)	5.1 ± 2.5	4.9 ± 2.7	5.8 ± 3.1	5.5 ± 3.0	0.532
Day 3 FSH (mIU/mL)	5.8 ± 2.2	5.5 ± 1.8	5.9 ± 2.0	6.2 ± 1.9	0.426-
Recombinant FSH dosage (IU)	2013.5 ± 771.6	1996.4 ± 884.2	2433.2 ± 997.4	2952.7 ± 1158. 2	<0.05 ^c,d,e,f
Length of stimulation (days)	8.2 ± 2.7	8.1 ± 2.4	9.9 ± 2.2	11.5 ± 3.9	<0.05 ^c,d,e,f
Serum E2 (pg/ml) ^b	2367.7 ± 998.2	2572.3 ± 892.5	2238.3 ± 866.9	2293.3 ± 905.1	0.340
Mean No. of oocytes obtained	10.0 ± 6.1	9.8 ± 5.7	9.5 ± 5.1	8.9 ± 5.9	0.291
Mean No. of embryos transferred	1.9 ± 1.0	2.0 ± 1.0	2.0 ± 0.9	1.9 ± 0.9	0.768
Mean grade of transferred embryos	1.9 ± 0.1	2.0 ± 0.2	2.1 ± 0.1	2.0 ± 0.1	0.523
Pregnancy rate	16/42 (38.1%)	36/80 (45.0%)	18/44 (40.9%)	14/40 (35.0%)	0.737
Miscarriage rate	2/16 (12.5%)	4/36 (11.1%)	3/18 (16.6%)	2/14 (14.2%)	0.951

Note: Values are mean ± SD.
^a Number of patients (%).
^b On the day of hCG.
^c P value obtained by group-to-group comparison, BMI < 18.5 kg/m² vs. 24 ≤ BMI < 28 kg/m².
^d P value obtained by group-to-group comparison, BMI < 18.5 kg/m² vs. ≥28 kg/m².
^e P value obtained by group-to-group comparison, 18.5 ≤ BMI < 24 kg/m² vs. 24 ≤ BMI < 28 kg/m².
^f P value obtained by group-to-group comparison, 18.5 ≤ BMI < 24 kg/m² vs. ≥28 kg/m².

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