Kelnor 1/50(Oral)

Taking birth control pills can increase your risk of blood clots, stroke, or heart attack.You are even more at risk if you have high blood pressure, diabetes, high cholesterol, or if you are overweight. Your risk of stroke or blood clot is highest during your first year of taking birth control pills. Your risk is also high when you restart birth control pills after not taking them for 4 weeks or longer.

吸烟可以大大增加您患血块，中风或心脏病发作的风险。Your risk increases the older you are and the more you smoke. You should not take combination birth control pills if you smoke and are over 35 years old.

如果您怀孕，请勿使用。Stop taking this medicine and tell your doctor if you become pregnant, or if you miss two menstrual periods in a row. If you have recently had a baby, wait at least 4 weeks before taking birth control pills.

You should not take birth control pills if you have:

• untreated or uncontrolled high blood pressure;
• heart disease (coronary artery disease, uncontrolled heart valve disorder, history of heart attack, stroke, or blood clot);
• 由于心脏问题或遗传性血液疾病而导致血凝块的风险增加；
• 循环问题（尤其是由糖尿病引起的）；
• 与激素相关癌症或乳腺癌，子宫/子宫颈或阴道的癌症的病史；
• 医生尚未检查的异常阴道出血；
• 肝病或肝癌；
• severe migraine headaches (with aura, numbness, weakness, or vision changes), especially if you are older than 35;
• a history of jaundice caused by pregnancy or birth control pills;
• if you smoke and are over 35 years old; or
• if you take any hepatitis C medication containing ombitasvir/paritaprevir/ritonavir (Technivie).

To make sure birth control pills are safe for you, tell your doctor if you have ever had:

• 心脏病，高血压，或者如果您容易患血块；
• varicose veins;
• high cholesterol or triglycerides, or if you are overweight;
• 沮丧;
• 偏头痛；
• diabetes, gallbladder disease;
• seizures or epilepsy;
• 肾脏疾病;
• irregular menstrual cycles;
• tuberculosis; or
• 纤维囊性乳房疾病，结块，结节或异常乳房X线照片。

The hormones in birth control pills can pass into breast milk and may harm a nursing baby. This medication may also slow breast milk production. Do not use if you are breast-feeding a baby.