Unicornuate uterus can be preserved by taking more rest, adjusting diet, taking pregnancy test on time and using medication. 1. Rest: Pregnant women with unicornuate uterus have a higher risk of preterm miscarriage than normal pregnant women in the early stage of pregnancy, so they should rest more and exercise moderately. 2. Dietary adjustments: Pregnant women with unicornuate uterus should adjust their diet during pregnancy, such as consuming fresh fruits and vegetables and eating a balanced diet to reduce the stimulation to the uterus causing contractions. 3. Timely pregnancy checkups: Pregnant women with unicornuate uterus should undergo pregnancy checkups on time in order to know the development of the fetus, and any abnormalities can be handled in time. 4. Medication: Pregnant women with unicornuate uterus can use medication to protect the fetus if there are signs of miscarriage or preterm labor. Unicornuate uterus refers to the congenital malformation of female reproductive organs. Pregnant women with unicornuate uterus should pay more attention than normal pregnant women and absolutely prohibit coitus in the first trimester of pregnancy. If a pregnant woman with a unicornuate uterus experiences any discomfort during pregnancy, she should go to the hospital as soon as possible and have her doctor formulate an individualized diagnosis and treatment plan according to her specific condition, so as to avoid any delay in her condition.