Rh Negative

13 Replies
**** - September 16

Can someone please explain to me in human terms the risks and factors associated with having my blood type 0 RH-negative ?


Erin - September 16

Hi, I am RH negative as well. When I was pregnant with my daughter I had to get an injection of meds. Also, I had to get one directly after she was born. To put it simply- nothing is wrong with you...Just with RH- blood it can mistake your baby for a foreign body and try to dispose of it! The only way your blood won't attack your baby's blood is if your baby has Rh- as well, which you can't know until after the baby is born... which is why you need to get the injections. I am not sure exactly what happens if you don't get the shot, though. It really isn't a big deal as long as you get the shot.


Erin - September 16

Oh yeah, if both you and the father are Rh-, then your baby will be too, and no need for the injections.


A friend - September 16

The only way it is really a problem is if For example : you have a RH neg. blood type. & your boyfriend/ husband (father of the baby) has a Possitive RH blood type.That's when there is a concern for the unborn baby & since there is no way to know which blood type the baby will have until after the baby is born , it is just best to get the shot. If the father of your baby also has a neggative RH blood type, then it is not a problem.


Kim - September 16

If this is your first child, there is no risk to your baby whatsoever. However, if you do not have a shot of Rhogam and plan to have more children, you do pose a risk to your 2nd unborn child, if that child is not RH negative. I would agree that unless you know for absolute certain that the father of your child is RH negative, then you should get the shot. I got the shot, am pregnant again, and everything seems to be progressing just fine. My husband is a positive blood type, so I had to get the shot 2 times during pregnancy, and after my daughter was born. You risk a number of things with your second pregnancy, including miscarriage, if you do not have the shot. Hope this helps. Good luck!


sarah - September 29

if u get pregnant and the father does not know his blood type u can misscarry. it just happened to me. i was 14 weeks and i just had to have a d&c because of and incomplete misscarage


Kris - September 30

I am also RH negative. The rhogam injection you get is just to prevent your antibodies from attacking your babys blood cells. No risks to you though. =)


Shannon - October 3

I have O rh Neg Blood and my husband has O positive blood is this a problem, do I need the injection.


Rani - October 19

I am RH - ve. My husband is O +ve. Is it better to take Anti D injections before the pregnancy or after the baby is born?


To: Rani - October 19

Your doctor will probably give you the injections during the second half of your pregnancy. If your baby is RH- than there is no risk at all, if the baby is RH+ there is a small risk. Since they cannot tell they will give you the shots as a precautionary. And even when you have different blood types, complications are extremely rare...... If you are RH- and the baby is RH+ and your blood were to mix with the babies blood, the anti-bodies (thinking your baby is a foreign object) can attack the baby causing m/c and death. But it is VERY rare and can ONLY happen if your blood mixes. That can generally only happen by injury or during the birth. The shots are just a precautionary measure just in case the blood mixes. It is really not something to worry about too much, but get the shots just in case. Your doc will let you know when to do it. (Sometimes they will give the shots in an earlier pregnancy if an injury (like a bad fall) occures).


tab - October 19

If u don't get the shot, ur blood will form antibodies and if ur baby is pos it will attack and dispose of the baby. Also be sure u get the shot after u have the baby too, ur dr will give u a shot called rhogam at about 28 wks.


... - October 19

If you don't get the shot, there will only be a problem if your blood mixes with the babies. Normally the blood does not mix as the baby gets what it needs from the placenta which takes its nutrients from your blood. The only time blood would mix is duting an injury like a bad for, or occasionally if something happens during the birth. It is rare (but still worth getting the shot).


N - October 19

I am rh - and so is my mother. There are some unforseen problems that can occur, so make sure you doctor does an antibody screening early in pregnancy. My mother lost her first baby at 22 weeks due to rh incompatibility (she had unknowingly recieved a blood transfusion a few years before she got pregnant that was + and she had antibodies from that which killed the baby). Also, any kind of spotting or bleeding at any time during any of your pregnancies means you need to have the rhogam/winrho shot. Prenatal care has come a long way in the last 25 years, so losing a baby due to rh- blood is very very rare, just make sure you get all your shots.


A - October 19

Erin hit the mark perfectly. Nothing is wrong with you; it's just that if you're negative (and your hubby isn't) your baby could be a positive, which to a negative, is foreign. In that case, you have to get certain meds injected to keep you from rejecting the baby. My hubby is negative, but I'm not, so we're okay. But, if our children get his blood type (and are female) they'll have to have the injections if they're not with a fellow negative.



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