Remote Pilot Test Prep - UAS: Study & Prepare: Pass your test and know what is essential to safely operate an unmanned aircraft  from the most trusted source in aviation training (Test Prep series) ASA Test Prep Board. 4.4 out of 5 stars 79. Paperback.
Contraindications include current, past or suspected breast cancer, known or suspected estrogen-dependent malignant tumours, previous idiopathic or current venous thromboembolism, known coronary heart disease, and porphyria cutanea tarda (absolute contraindication).
contraindication Clinical decision-making Any medical reason for not performing a particular therapy; any condition, clinical symptom or circumstance indicating that the use of an otherwise advisable intervention in some particular line of treatment is improper, undesirable, or inappropriate.