Spurious pregnancy is also called pseudocyesis , or pseudopregnancy , disorder that may mimic many of the effects of pregnancy , including enlargement of the uterus ; cessation of menstruation ; morning sickness ; and even labour pains at term 假怀孕可能具有怀孕迹象的身体紊乱,包括子宫扩大,停经,早晨感到不舒服,甚至间歇腹痛。