Oestrone Sulphate

serum 1 ml
urine 1 ml (only horse, donkey)

LCMS

horse, donkey, llama, alpaca, others on request

2–4 working days

• In pregnant mares, oestrone sulphate is secreted in increasing concentrations from the 40^th/ day onwards. The oestrone sulphate level drops to baseline level after abortion or resorption within a few days. Reliable diagnosis is possible from day 110 onwards.
• Mare: To determine an intact pregnancy
• Llama/alpaca: diagnosis of late pregnancy (from 10^th/11^th month onwards). In the earlier stages of pregnancy, we recommend to determine progesterone.