Serum Estradiol/progesterone Ratio on Day of Embryo Transfer May Predict Reproductive Outcome
Following Controlled Ovarian Hyperstimulation and In vitro Fertilization

Irmhild Gruber, Alexander Just, Monika Birner & Alexander Lösch
Department of Gynecology and Obstetrics, IVF Outpatient Department, General Hospital of St. Poelten,
Propst Führer-Strasse 4, A-3100 St. Poelten, Austria

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Table 2

Note: Values are means ± SD. NS = not significant. OI = ovulation induction.
a = For the three groups (Kruskal-Wallis test).

Luteal phase characteristics of E2, P and the E2/P ratio of clinical pregnancies, preclinical abortions and non-pregnant cycles.


Clinical pregnancies
Preclinical abortions
Not pregnant
P valuea

E2 on OI +4 days(pg/mL)
925.4 ± 634.8
792.0 ± 586.4
812.1 ± 794.5
NS
P on OI +4 days (ng/mL)
54.0 ± 24.9
68.6 ± 60.5
56.7 ± 34.4
NS
E2/P Ratio on OI +4 days
18.2 ± 11.5
10.3 ± 8.5
11.8 ± 10.0
0.010





E2 on OI +5 days (pg/mL)
1612.5 ± 1118.9
1210.4 ± 576.6
1257.4 ± 905.2
NS
P on OI +5 days (ng/mL)
101.4 ± 52.6
131.5 ± 66.6
110.6 ± 56.3
NS
E2/P Ratio on OI +5 days
18.1 ± 11.3
9.3 ± 6.3
8.7 ± 7.9
0.005





E2 on OI +7 days (pg/mL)
2416 ± 787.9
2456.5 ± 854.9
2032.0 ± 837.4
NS
P on OI +7 days (ng/mL)
170.9 ± 57.2
187.0 ± 28.2
198.5 ± 118.4
NS
E2/P Ratio on OI +7 days
15.4 ± 6.2
6.5 ± 7.6
5.8 ± 10.7
<0.001

Journal of Experimental & Clinical Assisted Reproduction 2007
An Open Access Research article