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. 2022 Aug 15;13:834627. doi: 10.3389/fendo.2022.834627

Table 4.

LH, estradiol, and progesterone concentrations in blood serum in pregnant and non-pregnant women.

Hormonal profile Non-pregnant (n = 91) Pregnant women (n = 62) p-value
Basal LH, (IU/L) 5.1 (3.5; 6.3) 4.1 (3.2; 5.75) 0.125
LH on 6 days of stimulation, (IU/L) 4.20 (2; 10) 4 (1.90; 7.4)
LH, triggering day (IU/L) 1.11 (0.55; 2) 0.9 (0.40; 1.80) 0.374
LH, OPU 2.55 (1.4; 4.6) 2.8 (1.1; 4.6) 0.961
LH, OPU+3 0.3 (0.13; 0.5) 0.3 (0.2; 0.5) 0.770
LH, OPU+5 0.2 (0.1; 0.55) 0.2 (0.1; 0.5) 0.823
Basal estradiol, (pmol/L) 120.0 (91; 147) 133.0 (104; 171) 0.121
Estradiol, on 6 days of stimulation, (pmol/L) 4,381 (3,130.5; 5,953.5) 4,582 (3,220; 6,391) 0.420
Estradiol, triggering day (pmol/L) 8,575 (6,685; 10,640) 8587 (6,633; 10,442) 0.942
Estradiol, OPU 3,838.0 (2,658; 4,915) 4,313.5 (3,067; 5,540) 0.067
Estradiol, OPU+3 5,222 (3,783; 6,538) 6,185 (4,258; 9,091) 0.045
Estradiol, OPU+5 5,092 (3,043.50; 6,083.50) 6,083.5 (4,020; 8,531) 0.047
Estradiol, day of the pregnancy test 406.0 (286; 773) 4,042.5 (1,113.5; 7,791) 0.00009
Progesterone, triggering day (nmol/L) 2.7 (1.80; 3.50) 2.6 (1.90; 3.40) 0.888
Progesterone, OPU 29.1 (21.9; 38) 22.8 (14.2; 33.7) 0.033
Progesterone, OPU+3 283.5 (182.25; 363.00) 303.5 (229.0; 368.5) 0.377
Progesterone, OPU+5 217.0 (76.3; 315.0) 228.5 (144.0; 324.0) 0.413
Progesterone, day of the pregnancy test 32.40 (12.3; 62.0) 246.0 (68.25; 423.95) 0.000036

Values are median (25%–75%) unless otherwise noted.

OPU, oocyte pick-up; LH, luteinizing hormone.