Helicobacter pylori has basically no effect on preparation for pregnancy, and medication is required during the treatment of H. pylori, at which time pregnancy is not recommended. Helicobacter pylori is a microorganism that lives in the human stomach and is related to the development of gastritis, peptic ulcers, and gastric cancer, but it does not usually affect the combination of sperm and egg, so it generally has no effect on pregnancy preparation. In the process of treating H. pylori, it is necessary to take a variety of medications, of which antibiotics may affect fetal development; in addition, pregnant women infected with H. pylori will affect the appetite and digestion and absorption of food, resulting in limited nutritional intake, which may affect fetal development, so it is recommended to do a good job of checking before preparing for pregnancy, and if H. pylori infection, it is recommended to treat before preparing for pregnancy. If you experience stomach discomfort during the preparation for pregnancy or pregnancy, you should consult a doctor in a timely manner. H. pylori infection should be handled promptly and treated under the guidance of a doctor to avoid delaying the condition.