Direct measurements of urinary estrone conjugates during the normal menstrual cycle of the gorilla (Gorilla gorilla)

Urinary immunoreactive estrogen and preg

Urinary immunoreactive estrogen and pregnanediol-3-glucuronide during the normal menstrual cycle of the female lowland gorilla (Gorilla gorilla)

✍ W. R. Mitchell; S. Presely; N. M. Czekala; B. L. Lasley 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 474 KB 👁 1 views

## Abstract Urine samples were taken daily during 22 menstrual cycles of six normal adult female gorillas. Urine was analyzed for total immunoreactive estrogens (E~t~) and pregnanediol‐3‐glucuronide (PdG) and indexed by creatinine (Cr). An average cycle length of 32 ± 1 days (mean ± SE) with a rang