Fullness of the right adnexa may be caused by adnexitis, adnexal cysts and ectopic pregnancy, or it may be a normal physiological phenomenon. 1. Adnexitis: patients suffering from adnexitis will have different degrees of abdominal pain, and if the condition is prolonged for a long time, it will make the right side of the adnexa congested, which will lead to the phenomenon of the right side of the adnexa fullness. 2. Adnexal cysts: chronic inflammation of the right adnexa can lead to localized fluid retention causing cystic masses, which can also lead to the phenomenon of fullness of the right adnexa. 3. Ectopic pregnancy: the patient may be ectopic pregnancy in the right side of the fallopian tube part of the formation of a mass, will also appear in the examination of the right adnexa full of phenomena. Right adnexal fullness may also be a normal physiological phenomenon, transient changes, if the patient examined the phenomenon of right adnexal fullness, it is recommended to go to the regular hospital in a timely manner, to clarify the cause, so as not to delay the condition.