A small amount of pelvic fluid, pregnancy, the child can be wanted, the appearance of no lower abdominal pain, fever and other discomforts, did not affect the growth and development of the embryo, can be regularly observed, with the uterus enlarged, the growth and development of the fetus, it will gradually reduce, or even disappear. A small amount of pelvic fluid can play a role in lubricating the pelvic organs and is a normal physiological phenomenon. If there is more pelvic fluid, with a diameter of 3cm or more or if there is lower abdominal pain or fever, the child is not allowed to have, and treatment needs to be given actively to avoid causing infection in the uterine cavity. When preparing for pregnancy, women need to do gynecological ultrasound examination, if there is a lot of pelvic fluid, can be given physiotherapy and anti-inflammatory drugs to avoid pregnancy due to excessive pelvic fluid, affecting the growth and development of the fetus.