The first use of Yousiming requires continuous use for 7 days to achieve effective contraception. Yousiming is a short acting contraceptive pill, mainly composed of drospirenone and ethinylestradiol, which exerts contraceptive effects by inhibiting ovulation, altering cervical mucus properties, and endometrial environment. The contraceptive effect is influenced by factors such as medication time, individual metabolic differences, and drug interactions. As a compound hormone contraceptive, the contraceptive mechanism of Yousiming is time-dependent. The progesterone component in the drug needs to maintain a stable blood concentration in order to effectively inhibit the hypothalamic pituitary ovarian axis. Clinical studies have shown that after continuous medication for 7 days, hormone levels in the body tend to stabilize. At this time, ovarian ovulation function is effectively inhibited, cervical mucus becomes viscous and hinders sperm penetration, and the endometrium becomes thinner, which is not conducive to fertilized egg implantation. If unprotected sex occurs before completing the 7-day medication cycle, there is still a risk of unintended pregnancy. Some women may experience breakthrough ovulation during the early stages of medication, which is related to individual differences in hormone sensitivity. Women weighing over 70 kilograms may experience an accelerated drug metabolism rate, which can affect the stability of blood drug concentrations. Simultaneously taking antibiotics, antiepileptic drugs, or extracts of St. John's wort and other liver enzyme inducers can accelerate hormone breakdown and reduce drug efficacy. Missing medication for more than 12 hours may also lead to contraceptive failure, requiring immediate supplementation and additional contraceptive measures. Gynecological examination should be conducted before using Yousiming to rule out contraindications such as thrombotic diseases, severe liver diseases, hormone dependent tumors, etc. It is recommended to regularly monitor blood pressure during medication, and seek medical attention immediately if there are persistent symptoms of blood clots such as headaches, chest pain, and blurred vision. Long term medication users need to undergo annual liver and kidney function check ups and avoid smoking to reduce cardiovascular risks. If planning to conceive, it is recommended to resume 1-2 normal menstrual cycles after discontinuing medication to ensure physiological repair of the endometrium.
Eating Yousiming continuously for several days for the first time is effective
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