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.
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.
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.
If the mother is Rh-negative, her immune system treats Rh-positive fetal cells as if they were a foreign substance. The mother's body makes antibodies against the fetal blood cells. These antibodies may cross back through the placenta into the developing baby. They destroy the baby's circulating red blood cells.
Two O parents will get an O child nearly all of the time.
Rh incompatibility occurs when the mother's blood type is Rh negative and her fetus' blood type is Rh positive.
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.
Pregnant women with a negative blood type are sometimes at risk of Rh incompatibility, and while this used to be a serious issue, modern medicine has developed treatments for Rh incompatibility that protect you and your baby.
Blood groups O and B should never marry because their blood types are incompatible. Group O blood has a protein that group B lacks, and group B blood has a protein that group O lacks. This incompatibility can cause serious health problems in the offspring of such a union.
If a person of O blood group breeds with a person of B group all the children must be either B or O. If the child is A or AB one of the individuals cannot be the parent. An O and B crossing can not produce an A or AB child.
In fact, according to the experts, most children who are O-negative have parents who are O-positive.
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.
Having an Rh-negative blood type requires special attention during each pregnancy. In the past, Rh-negative women were often at risk for miscarriage in the second or third trimester. This now happens rarely as pregnant Rh-negative women are routinely given the RhoGAM injection to lessen this risk.
While blood type is not a common cause of fertility issues, it can play a role. Evidence finds incompatibility between blood types can influence fertility or pose miscarriage risk for a small percentage of couples.
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.
Blood Type AB
But in reality, they are actually among the most caring, honest, and romantic of the blood types, and are generally the first to forgive.
As you can see there is a 50% chance for AO and a 50% chance for OO. For blood type, that means a 50% chance for A and a 50% chance for O. As you can see, there is a 1 in 4 chance for +/+, a 1 in 2 chance for +/- and a 1in 4 chance for -/-.
There are no disadvantages for married couples having same blood group. If you are A+ and your husband is A+ also then according to genetic principles the baby born will have the same blood group as A+ and thus no complications shall arise out of it.
Individuals of the O-negative blood group suffer from inflammation from foods such as dairy products and wheat. This causes an imbalance in the person's immune system and is responsible for weight gain. Overactive immunity increases the risk of thyroid disease in type O-negative blood.
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. O negative blood type can only receive O negative blood.
If both parents have Rh+ blood with the +- genes, they could have children who are ++, +-, or –. In other words, their children could be either Rh positive or Rh negative. Most children who are O negative have parents who are positive since the +- combination is so much more common than the — combination.
What Causes Infertility? Problems with ovulation are the most common reasons for infertility in women. A woman's age, hormonal imbalances, weight, exposure to chemicals or radiation and cigarette smoking all have an impact on fertility.
Risk factors
These include: age – fertility declines with age. weight – being overweight or obese (having a BMI of 30 or over) reduces fertility; in women, being overweight or severely underweight can affect ovulation. sexually transmitted infections (STIs) – several STIs, including chlamydia, can affect fertility.