Many exams and blood tests are carried out throughout the pregnancy to check the blood group and monitor that everything is going well for the best. Toxoplasmosis, hepatitis, Down’s syndrome … Here are the blood tests to be made during the 9 months of pregnancy.
(Update of March 16, 2022). From the Beginning of pregnancyTHE pregnant women are faced with a whole series of bloodhoundstarting with the HCG hormone dosage that confirm the pregnancy. But these examinations above all make it possible to detect certain diseases and to protect the health of baby and mom. What are the different blood tests to be made during these 9 months? Are they all compulsory? We guide you!
Blood test during pregnancy: should you be on an empty stomach?
Yes, blood tests are to be done on an empty stomach, the last meal must be taken the day before, for example, for a blood test the next morning.
Negative or positive rhesus: which blood group?
A negative rhesus means that the mother can develop antibodies against her baby if he is positive rhesus. Immunization is most often carried out at the time of childbirth. It does not exist No risk when the first pregnancy. The risk occurs during a next pregnancy, a miscarriage or a voluntary termination of pregnancy. The determination of the blood group is carried out during the first prenatal examination. A second determination of the blood group is carried out during the 8th or 9th month of pregnancy. The search for irregular antibodies is carried out during the 6th month and the 8th (or 9th) months of pregnancy, if the future mother is of the negative rhesus type or if it has been transfused previously. Preventive treatment in the form of an injection of an anti-Rhesus vaccine within 72 hours after delivery is carried out after each pregnancy.
A blood test per month against the risk of toxoplasmosis
An absence of antibodies against toxoplasmosis means that the future mother is not immune to toxoplasmosis. You must then perform a blood test every month In order to verify that the future mother has not contacted the disease. Hygiene rules should be implemented, such as washing your hands regularly, rinse fruit and vegetables … Check protection against syphilis, sexually transmitted disease that can contaminate the baby.
A blood test to detect Down’s syndrome
This test makes it possible to assess the risk that the child is bearer of Down’s syndrome 21. If this test is positivity, an amniocentesis can be offered.
HIV virus
This Non -compulsory test is strongly recommended and accepted by more than 90% of pregnant women. A woman who does not know that she is carrying the HIV virus has a in 4 chance of transmitting the virus to her child. If the diagnosis is made, treatment avoids the risk of transmissions and makes this risk fall less than one in 100.
Hepatitis B in pregnant women
This test is recommended during the 6th month of pregnancy : This infection is easily transmitted to the baby. A test signifying that the mother is carrying the hepatitis B virus, without causing manifestations if the disease is not declared, makes it possible to vaccinate the baby just after childbirth in the birth room and to vaccinate other family members.
NFS and sedimentation speed
There Blood Formula Numeration and the sedimentation speed are carried out during the 6th month of pregnancy, but can be more early if, for example, a risk of infection or anemia is suspected.
Rubella
The presence of antibodies means that the future mother is immune. Rubella can cause malformations of fetus. Future mothers are advised to perform a blood dosage When they decide to have a baby and vaccinate them at that time if there are no antibodies. An absence of antibodies indicates that the test is negative. A negative test during pregnancy, testifying to the absence of antibodies, makes it necessary to predict a vaccination after childbirth. If a blood dosage Indicates that the future mother contracted rubella during pregnancy, special surveillance is established. In addition, consult a doctor in the event of an eruption during a pregnancy in a woman who is not vaccinated.
Gestational diabetes
The optional test of gestational diabetes Women with risk factors (excess weight, family history of diabetes, more than 40 years old, from Asia, North Africa, Antilles, history of malformations or fetal, dead or fetal deaths …). It makes it possible to detect gestational diabetes at 28 weeks of pregnancy, approximately during the 6th month, by carrying out blood sugar. Women developing diabetes have a risk of giving birth to a bigger baby and having a more difficult childbirth.
What urine analyzes during pregnancy?
Urine analyzes make it possible to seek the presence of sugar, which can orient towards a diabetes and must be confirmed by a blood test, the presence of albumin, which can be a sign of toxemia, pathology associating in particular high blood pressure, edema and which can cause severe complications and finally the presence of germs testifying to a urinary tract infection, which must be treated.
