Table 2 Spearman rank correlation analysis of associations between FF and serum thyroid hormone levels and clinical and hormonal parameters

Oocytes (total)

0.0165 (r = 0.186)

0.478

0.676

0.0474 (r = 0.155)

0.313

0.043 (r = 0.159)

0.08

0.356

Oocyte (MII)

0.008 (r = 0.205)

0.103

0.476

0.005 (r = 0.216)

0.713

0.03 (r = 0.166)

0.191

0.874

Fertilized embryos

0.019 (r = 0.182)

0.251

0.195

0.003 (r = 0.228)

0.109

≤0.001 (r = 0.253)

0.478

.624

Cleavage embryos

≤0.001 (r = 0.271)

0.0726

0.173

0.004 (r = 0.226)

0.08

≤0.005 (r = 0.271)

0.42

0.68

Good quality embryos

≤0.001 (r = 0.41)

≤0.001 (r = 0.31)

0.633

0.2

0.02 (r = 0.18)

0.003 (r = 0.227)

0.596

0.908

E₂ (HCG day)

≤0.001 (r = 0.324)

0.01 (r = 0.203)

0.003 (r = −0.28)

0.01 (r = −0.20)

0.004

(r = − 0.226)

0.08

≤0.001 (r = − 0.428)

≤0.001 (r = − 0.428)

E₂ (FF)

0.552

0.575

0.789

0.302

0.916

0.89

0.273

0.302