Iron Status in Female Infertility and Recurrent Miscarriage

Women with infertility Inclusion criteria: * The patient suffers from primary or secondary infertility, defined as the inability to conceive despite frequent unprotected sexual intercourse for at least 12 months. * The patient has given her written informed consent after detailed information on the study by medical professionals at the Department of Obstetrics and Gynecology of the Medical University of Vienna. * The patient is \>18 and \<40 years old. Exclusion criteria: * Inflammatoric bowel disease, cardiac insufficiency, chronic kidney disease, any malignant diseases. * Polycystic ovary syndrome. * There is no "informed consent". Women with recurrent miscarriage Inclusion criteria: * The patient suffers from recurrent miscarriage, defined as three or more consecutive miscarriages before the 20th gestation week with the same partner. * The patient has given her written informed consent after detailed information on the study by medical professionals at the Department of Obstetrics and Gynecology of the Medical University of Vienna. * The patient is \>18 and \<40 years old. Exclusion criteria: * Inflammatoric bowel disease, cardiac insufficiency, chronic kidney disease, any malignant diseases. * Polycystic ovary syndrome * There is no "informed consent". Healthy controls Inclusion criteria: * The woman does neither suffer from infertility/sterility nor from recurrent miscarriage and is also otherwise healthy with regular cycles. * The patient has given her writt…