I am in my second trimester(22 weeks).i bleed once in my first trimester just a drop.but in my second i have bleed 4 times..three times in this 5th month and the amount of blood is increasing.my gyne said that i have a low lying placenta.and suggested me to take complete bed rest and progestrone shots every week.i am doing everything.but i am worried about having a premature delivery. please help me what should i do. 1.does this low lying placenta improve own its own or not? 2.if not what precautions i should take. 3.should i be concerned about baby and my health? i am really scared