Table I
Open in new tab

Patient demographics.

Unstimulated (n = 20)Stimulated (n = 31)P-value
Age31.7 ± 7.033.5 ± 4.90.21
BMI (kg/m2)23.8 ± 3.826.0 ± 5.80.15
No. of prior pregnancies1.0 ± 1.50.8 ± 1.30.57
Cycle day when OPK positive14.7 ± 2.5N/AN/A
Biopsy day estradiol (pg/ml)144.7 ± 69.9595.8 ± 468.10.0005
Biopsy day progesterone (ng/ml)14.0 ± 6.323.5 ± 23.50.09
Stimulation length (days)N/A11.1 ± 1.6N/A
Trigger day estradiol (pg/ml)N/A2316.2 ± 949.8N/A
Trigger day LH (IU/l)N/A4.1 ± 8.2N/A
Trigger day progesterone (ng/ml)N/A1.37 ± 0.7N/A
Trigger days EMS (mm)N/A10.3 ± 3.3N/A
Post-trigger estradiol (pg/ml)N/A2351.9 ± 1024.3N/A
Post-trigger LH (IU/l)N/A26.9 ± 37.4N/A
Post-trigger progesterone (ng/ml)N/A7.6 ± 4.4N/A
Unstimulated (n = 20)Stimulated (n = 31)P-value
Age31.7 ± 7.033.5 ± 4.90.21
BMI (kg/m2)23.8 ± 3.826.0 ± 5.80.15
No. of prior pregnancies1.0 ± 1.50.8 ± 1.30.57
Cycle day when OPK positive14.7 ± 2.5N/AN/A
Biopsy day estradiol (pg/ml)144.7 ± 69.9595.8 ± 468.10.0005
Biopsy day progesterone (ng/ml)14.0 ± 6.323.5 ± 23.50.09
Stimulation length (days)N/A11.1 ± 1.6N/A
Trigger day estradiol (pg/ml)N/A2316.2 ± 949.8N/A
Trigger day LH (IU/l)N/A4.1 ± 8.2N/A
Trigger day progesterone (ng/ml)N/A1.37 ± 0.7N/A
Trigger days EMS (mm)N/A10.3 ± 3.3N/A
Post-trigger estradiol (pg/ml)N/A2351.9 ± 1024.3N/A
Post-trigger LH (IU/l)N/A26.9 ± 37.4N/A
Post-trigger progesterone (ng/ml)N/A7.6 ± 4.4N/A

Baseline demographic characteristics of subjects cycling naturally (‘unstimulated’) or following hormonal stimulation (‘stimulated’). P-values shown were calculated with unpaired t-test. OPK, ovulation prediction kit; EMS, endometrial stripe measurement; N/A: not applicable. Bold typeface indicates statistically significant values.

Table I
Open in new tab

Patient demographics.

Unstimulated (n = 20)Stimulated (n = 31)P-value
Age31.7 ± 7.033.5 ± 4.90.21
BMI (kg/m2)23.8 ± 3.826.0 ± 5.80.15
No. of prior pregnancies1.0 ± 1.50.8 ± 1.30.57
Cycle day when OPK positive14.7 ± 2.5N/AN/A
Biopsy day estradiol (pg/ml)144.7 ± 69.9595.8 ± 468.10.0005
Biopsy day progesterone (ng/ml)14.0 ± 6.323.5 ± 23.50.09
Stimulation length (days)N/A11.1 ± 1.6N/A
Trigger day estradiol (pg/ml)N/A2316.2 ± 949.8N/A
Trigger day LH (IU/l)N/A4.1 ± 8.2N/A
Trigger day progesterone (ng/ml)N/A1.37 ± 0.7N/A
Trigger days EMS (mm)N/A10.3 ± 3.3N/A
Post-trigger estradiol (pg/ml)N/A2351.9 ± 1024.3N/A
Post-trigger LH (IU/l)N/A26.9 ± 37.4N/A
Post-trigger progesterone (ng/ml)N/A7.6 ± 4.4N/A
Unstimulated (n = 20)Stimulated (n = 31)P-value
Age31.7 ± 7.033.5 ± 4.90.21
BMI (kg/m2)23.8 ± 3.826.0 ± 5.80.15
No. of prior pregnancies1.0 ± 1.50.8 ± 1.30.57
Cycle day when OPK positive14.7 ± 2.5N/AN/A
Biopsy day estradiol (pg/ml)144.7 ± 69.9595.8 ± 468.10.0005
Biopsy day progesterone (ng/ml)14.0 ± 6.323.5 ± 23.50.09
Stimulation length (days)N/A11.1 ± 1.6N/A
Trigger day estradiol (pg/ml)N/A2316.2 ± 949.8N/A
Trigger day LH (IU/l)N/A4.1 ± 8.2N/A
Trigger day progesterone (ng/ml)N/A1.37 ± 0.7N/A
Trigger days EMS (mm)N/A10.3 ± 3.3N/A
Post-trigger estradiol (pg/ml)N/A2351.9 ± 1024.3N/A
Post-trigger LH (IU/l)N/A26.9 ± 37.4N/A
Post-trigger progesterone (ng/ml)N/A7.6 ± 4.4N/A

Baseline demographic characteristics of subjects cycling naturally (‘unstimulated’) or following hormonal stimulation (‘stimulated’). P-values shown were calculated with unpaired t-test. OPK, ovulation prediction kit; EMS, endometrial stripe measurement; N/A: not applicable. Bold typeface indicates statistically significant values.

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