Viagra is the trade name, generic name is sildenafil citrate tablets, long-term use of sildenafil citrate tablets can usually get pregnant, sildenafil citrate tablets will not affect the sperm quality of men, no need to worry. Sildenafil citrate tablets are mainly used to treat erectile dysfunction. If patients follow the doctor’s instructions to take sildenafil citrate tablets for a long time, it will not affect the quality of sperm, usually can be normal pregnancy. During the preparation for pregnancy, patients need to follow the doctor’s instructions to strictly take the drug, do not increase, add, or stop using the drug without authorization, in order to avoid damage to health. Adverse reactions of Sildenafil Citrate Tablets include headache, dizziness, frequent urination, nocturia, thirst, muscle pain and so on. Sildenafil citrate tablets should be contraindicated for those who are allergic to the ingredients of sildenafil citrate tablets, and if patients are taking nitrate drugs, sildenafil citrate tablets should be contraindicated to avoid the enhancement of the effect of blood pressure lowering, resulting in patients with too low blood pressure. If you are pregnant, please ask your doctor for advice.