Oestrone Sulphate

LABOKLIN Service ID: 122


Material

Serum 1 ml;
Urine 1 ml (horse, donkey only - see also remark)

Method

Liquid chromatography-mass spectrometry (LCMS)

Species list

Horse, donkey, llama, alpaca, others on request

Duration

2–4 working days

Remark

  • Horse/donkey: To determine an intact pregnancy oestrone sulphate is secreted in increasing concentrations from approx. the 40th day onwards. After abortion or resorption, the oestrone sulphate level drops to baseline level within a few days. Reliable diagnosis is possible from day 110 onwards until approx. 1 week before foaling.
  • Camelids: Diagnosis of late pregnancy (from 10th/11th month onwards). In the earlier stages of pregnancy, we recommend to determine progesterone.
  • Horse/donkey: For oestrone sulphate in urine, please use the separate service ID: 485.