Rh incompatibility occurs when a mother has Rh-negative blood and the baby has Rh-positive blood. The mother's body will produce an auto-immune response that attacks the fetus or newborn's blood cells as if they were a bacterial or viral invader.
Rh Incompatibility in Pregnancy
Problems can occur when the mother is Rh- and the baby is Rh+. This mismatch in blood type is often referred to as Rh incompatibility. This mismatch doesn't cause any problems for the first pregnancy. But it can lead to problems in later pregnancies.
Rh incompatibility is a mismatched blood type between a pregnant mother and the baby she is carrying. It is rarely serious or life threatening, thanks to early diagnosis and treatment during pregnancy. Rh factor is a protein located in red blood cells. People who have that protein are Rh-positive.
Two O parents will get an O child nearly all of the time.
But someone who has a B and an O version only makes the B protein. They are B blood type but can pass the O onto their kids.
So, the progeny formed if both parents are of O blood group is O. The Rh factor can be positive in heterozygous state and also in homozygous state. So, there can be possibility of being both Rh positive and Rh negative.
A woman's blood group could influence her chances of getting pregnant, scientists have found. Those with blood type O may struggle to conceive due to a lower egg count and poorer egg quality, while those with blood group A seem to be more fertile.
Two O parents will get an O child nearly all of the time. But as with anything in biology, there are occasional exceptions to this rule.
A person having Rh factor in blood is called Rh positive whereas that who does not carry this protein in the blood is called Rh negative. Marriage should be avoided in between Rh negative female & Rh positive male. This can be fatal for the mother as well as the baby of such parents.
The Rh-negative blood type can pose risks during pregnancy, including increasing the risk of miscarriage or stillbirth in the second or third trimester. Nowadays, women with a negative blood group are preventively given the Rho GAM injection, to reduce the risk involved.
Of the eight main blood types, people with Type O have the lowest risk for heart attacks and blood clots in the legs and lungs. This may be because people with other blood types have higher levels of certain clotting factors, which are proteins that cause blood to coagulate (solidify).
Different blood groups rarely cause any problems, but your rhesus factor may affect future pregnancies if you're rhesus-negative and carrying a rhesus-positive (RhD-positive) baby in this pregnancy. If some of your baby's blood mixes with your blood during pregnancy or birth it can put later babies at risk.
A baby may have the blood type and Rh factor of either parent, or a combination of both parents. Rh factors follow a common pattern of genetic inheritance. The Rh-positive gene is dominant (stronger) and even when paired with an Rh-negative gene, the positive gene takes over.
For example, if you have type A blood, you can only receive type A or type O blood. You cannot receive type B or type AB blood. If you have type B blood, you can only receive type B or type O blood. You cannot receive type A or type AB blood.
Blood groups in Australia
According to Australian Red Cross Lifeblood, the percentage of blood group frequency in Australia is: O positive - 40% O negative - 9% A positive - 31%
Type Os and Egg Quality: A study conducted by researchers from the Albert Einstein College of Medicine found that women in their 30s with blood type O who were struggling to conceive were twice as likely to have elevated FSH (follicle stimulating hormone) levels as women with type A blood.
However, the need for O negative blood is the highest because it is used most often during emergencies. The need for O+ is high because it is the most frequently occurring blood type (37% of the population). The universal red cell donor has Type O negative blood.
Fertility: a small study (544 women) performed did suggest that women with blood type O may be at a higher risk for what's called “diminished ovarian reserve.” More studies are needed in order to better understand this, so if you have blood type O, don't panic just yet.
A. Before I delve into the science, let me quickly stop any tongues that might be wagging if you are asking about a paternity debate: Yes, two O-positive parents could have any number of O-negative children. In fact, according to the experts, most children who are O-negative have parents who are O-positive.
No problem: If you are both the same blood type then it should not be a problem. The problem arises if there is difference in the Rh blood group. For example if you are Rh+ and she is Rh -, she may have a baby with Rh+ type.
Type O Negative. O negative is the most common blood type used for transfusions when the blood type is unknown. This is why it is used most often in cases of trauma, emergency, surgery and any situation where blood type is unknown. O negative is the universal blood type.
All blood groups are compatible for marriages; the only concern should be the Rhesus factor antigens which may be a hindrance during blood donation/transfusion. It also affects the woman if she is negative and carries a Rh positive baby during pregnancy.
Type O-positive blood can be transfused to any positive blood type: A-positive, B-positive, AB-positive, and of course other O-positives. Patients with O-positive blood can receive blood transfusions from other O-positives or O-negative donors. The ideal donation types for O+ donors are whole blood or Power Red.