It turns out that oral contraceptives may not protect you from an unplanned pregnancy. And that's why:
Violation of the schedule for taking pills
Most drugs have an effect on hormones and ovulation, preventing fertilization in the uterus, so take them, you must follow the instructions.
It is worth skipping at least one reception, the level of hormones is disrupted and pregnancy can occur.
If the schedule was accidentally broken, then within a week it is recommended to refrain from intimate relationships.
Herbal remedies
Addiction to herbal teas and other herbal remedies can reduce the effectiveness of contraceptives. Therefore, it is better to refuse to take medications and drinks based on flax, St. John's wort and alfalfa. Garlic tablets are also contraindicated.
Medical preparations
There is a whole list of drugs with which contraceptives cannot be combined. These include: antibiotics, hormones, anti-tuberculosis and antifungal agents, antidepressants. They lead to the breakdown of hormones and disrupt metabolic processes in the liver.
Bowel problems
With food indigestion and diarrhea, medicinal substances are poorly absorbed by the body, which nullifies the effect of oral contraceptives.
Soya Products
Soy contains phytoestrogens that disrupt the endocrine and hormonal systems. Combining oral contraceptives with soy, you may encounter an unexpected pregnancy.