Prospective Evaluation on the Role Exerted by Hormonal Contraceptives on 24-h Blood Pressure. A Prospective Observational Study

This study aims to assess the effect of different hormonal contraceptives on 24-h blood pressure in cycling women aged 18-50 years of age. The main question aims to answer: \- Does oral contraceptives, estrogen formulations' based combined with drospirenone or the only drospirenone present minr effect on blod pressure and/or on the heart rate? Participants will: * Receive a contraceptive for at least 4 months * Visit the clinic between days 3 and 8 of the menstrual cycle for recording of vital signs and 40 hours-blood pressure monitoring every 30 min from 17.00 to 8.00 of the following second day * Have a gynecological examination performed at screening and at cycle 4