| 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.
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