There are several reasons why the lower body in early pregnancy is twitching: 1, the consideration is that the hormone secretion in the body during pregnancy is exuberant, causing stimulation of the pubic area after the appearance of the pubic pain, is a normal physical phenomenon need not worry, usually pay more attention to rest can be. 2, it may be the pubic area by the external damage after the appearance of the pain, if it is hit by the external force or wound inflammation and so on, there will be a twitching 3, may be the pubic inflammation and infection after the pain symptoms, such as vaginitis, pelvic inflammatory disease, inflammation and infection will stimulate pelvic congestion, but also stimulate the entire pubic pain symptoms, it is best to go to the hospital in time for gynecological examination, to identify the cause of the disease and then for symptomatic treatment.