

If your red blood cells don't have this protein, you are Rh-negative. This tells you whether you have a certain type of protein (antigen) called Rh factor on the surface of your red blood cells. If you have had a blood type test, you might also know if you are Rh-positive or Rh-negative. You may already know whether you have blood type A, B, O, or AB. If you find out that your and your baby's blood types are not compatible, you can get treatment that will protect your baby. This is why experts recommend that you get tested on your first prenatal visit, or even earlier, to find out if you are Rh-negative. This only happens to mothers who are Rh-negative and carry babies who are Rh-positive. Together, you and your provider will made a decision about how long you will wait if labor does not start.If your baby has red blood cell proteins that you don't have, your body may later mistake the baby for an intruder and attack it through your immune system. About 1 in 10 women do not go into labor on their own after a day or so. Most women go into labor within 12 hours after the membranes rupture. Labor contractions can start any time after your membranes rupture. What should I do if my membranes rupture and I am not having my labor induced right away?

If your bag of waters breaks more than 3 weeks before your due date, your health care provider may want to have you stay in the hospital to stop labor so you do not have a premature baby. You will discuss the pros and cons of each of these options with your health care provider and make a plan. Your health care provider may recommend waiting for a short time to let your labor start on its own or inducing your labor right away. If your bag of waters breaks within 3 weeks of your due date, your choices depend on how you and your baby are doing. The longer your bag of waters is broken before birth, the more chance there is that your baby could get an infection. You may be asked to come to the office or hospital to be checked. When your bag of waters breaks, you will need to call your health care provider. What happens if my membranes rupture before I am in labor? Your provider will collect a swab of fluid from inside of your vagina to test to see if your membranes are ruptured or not. If the pad gets wet, call your health care provider. If you are not sure if your bag of waters has broken, put a pad in your underwear and wait for a short time. The leaking fluid is usually a small amount, but you will probably need to wear a pad or keep changing your underwear once it happens. Or you may have just a small trickle of water that makes your underwear feel damp. You may feel a large gush of fluid coming from your vagina that makes your underwear and pants wet. The amniotic fluid is warm like your body temperature, and it does not have any smell. After your membranes rupture, you will continue to leak amniotic fluid until the baby is born. Sometimes women feel or even hear a small pop when their bag of waters breaks. Your health care provider may break your bag of waters for you while you are in labor How will I know when my membranes rupture? When the bag of waters breaks before labor starts, this is called premature rupture of membranes (PROM). Although rare, the bag of waters can break days before labor starts. In about 1 in every 10 women, the membranes rupture several hours before labor starts. The membranes will usually rupture (break) on their own either just before you go into labor or sometime during your labor. When your bag of waters breaks, it is called ruptured membranes.

The 2 membranes are stuck together into one sac. The walls of the amniotic sac are made by 2 membranes called the chorion and amnion. The amniotic sac also protects your baby from infections. The sac holds the amniotic fluid (water) that protects your baby and gives your baby room to move around. The amniotic sac-also called the membranes or bag of waters-is a sac that surrounds your baby in your uterus (womb) during pregnancy.
