Clinical Chemistry: blood and urine tests.Haematology and coagulation (blood count, PT, PTT, fibrinogen, antithrombin).Immunology.Infectious Diseases (hepatitis, HIV, toxoplasmosis, cytomegalovirus, rubella, etc.).Food allergies and intolerances.Testing for celiac disease, lactose beath test for lactose and urea for Helicobacter.Endocrinology (hormonal assays: BHCG, FSH, LH, estradiol, progesterone, prolactin, testosterone, etc.).Thyroid (TSH, FT3, FT4, thyroid peroxidase and thyroglobulin antibodies).Tumour markers (breast, prostate, colon, liver, lung, ovary and uterus, occult blood in faeces, alpha-fetoprotein, PSA, CEA, CA125, CA 19.9, CA 15-3, CA 50, etc.).Dosage Anti-Müllerian hormone (AMH).Sperm analysis.