now i am 20 weeks pregnancy , but in earlier two preterm delivery is happen in my age 32 and 33 and now i am in 36, now i take regular check up, my consultant doctor suggest to avoid the earlier happen , doctor suggest injection is maintain 500mg (every week once) and progesterone susten SR 300 are taking but now i have some pain under the lower bottom side, now the doctor deside to give utodin tablet half for morning and night, can i save baby? Please give some suggestion for avoiding preterm delivery.