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所谓重复性行为的表现是指无目的的重复性动作,并且具有一定的节律性。通过对孕中国实用儿科杂志1993年(第8卷)第6期妇超声检查,能清楚地看到胎儿在子宫内已具有吮手及男婴
The so-called repetitive behavior refers to the purpose of repetitive movements, and has a certain rhythm. Through the pregnancy of Chinese Journal of Practical Pediatrics 1993 (Volume 8) No. 6 ultrasound examination of women, can clearly see the fetus already has suckling in the womb and baby boy