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
 

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Table 1

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

Comparison between different parameters for clinical pregnancies, preclinical abortions and non-conception cycles.

 		 Clinical pregnancies
 		 Preclinical abortions
 		 Not pregnant
 		 P valuea
 

 		 (n = 49)
 		 (n = 27)
 		 (n = 163)
 
 
Age (y)
 		 32.2 ± 3.6
 		 30.8 ± 3.3
 		 33.1 ± 4.0
 		 <0.05
 
Basal FSH (IU/L)
 		 7.0 ± 2.6
 		 7.2 ± 3.1
 		 7.5 ± 2.5
 		 NS
 
Peak estradiol (pg/mL)
 		 1325 ± 816
 		 1110 ± 586
 		 1143 ± 864
 		 NS
 
Peak progesterone (ng/mL)
 		 8.5 ± 5
 		 10.1 ± 6.2
 		 8.2 ± 6.0
 		 NS
 
No. oocytes/patient
 		 10.7 ± 6.4
 		 10.7 ± 5.7
 		 7.9 ± 5.8
 		 <0.05
 
Duration of stimulation
 		 9.8 ± 1.3
 		 9.8 ± 1.1
 		 10.3 ± 1.4
 		 NS
 
No. oocytes/fertilized
 		 7.3 ± 4.3
 		 6.9 ± 4.3
 		 4.7 ± 3.6
 		 <.001
 
No. embryo transfer
 		 2.8 ± 0.4
 		 2.7 ± 0.4
 		 2.4 ± 0.9
 		 NS
 
rFSH dosage (ampoules)
 		 26.6 ± 6.8
 		 31.4 ± 8.0
 		 30.8 ± 10.4
 		 NS
 

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