Case Report

Abnormally Elevated Follicle-Stimulating Hormone (FSH) Level in an Infertile Woman

Table 1

Patients’ results. (a) Serum hormonal concentrations on day 3 of a nonstimulated cycle. (b) Polyethylene Glycol precipitation (PEG) results.

Hormonal assaysMethodPatientNormal reference range

(a) Day 3 of nonstimulated cycle
LH (IU/L)Elecsys® LH18.62–11
FSH (IU/L)Elecsys® FSH1121.5–13
E2 (pg/mL)Cisbio estradiol64.312–166
(pmol/L)radioimmunoassay23644–609.2
hCG (IU/L)Elecsys® hCG+β<0.5<5
AMHImmunotech
(ng/mL)enzyme9.42–6
(pmol/L)immunoassay67.114.3–42.8
TSH (mIU/L)Elecsys® TSH6.850.2–4
T4L (ng/L)Elecsys® T4L15.18.5–18
(pmol/L)19.511–23.2
α-Subunit (IU/L)Radioimmunoassay0.190.02–0.90
AAT (U/ml)Liaison® Anti-Tg985<100
Anti-ovarian AbIndirect immunofluorescenceNegNeg
Testosterone (ng/mL)Cisbio testosterone radioimmunoassay0.160.1–0.75
(nmol/L)0.550.34–2.60

(b) After polyethylene glycol precipitation
LH (IU/L)Elecsys® LH18.62–11
PEG unprecipitated LH (IU/L)8.4/
Recovery LH %45.2>40
FSH (IU/L)Elecsys® FSH1121.5–13
PEG unprecipitated FSH (IU/L)13.6/
Recovery FSH %12.1>40