Blood loss in the first trimester of pregnancy

Blood loss in the first trimester of pregnancy is a cause of great concern in women, as is normal, and is always a reason for medical consultation.

Many women suffer losses during the first months of pregnancy and their appearance can be due to different reasons. They can be caused by minor problems or be the sign of a serious complication.

Therefore, it is very important to learn to recognize them, observe the color, the amount and if the losses are accompanied by abdominal pain or any other symptom.

Whenever there is blood loss in pregnancy, you should consult your doctor immediately so that he can perform an examination and an ultrasound to control the development of the pregnancy.

Below, we explain each of the possible causes of vaginal bleeding (mild or severe) in the first three months of pregnancy .

Embryo implantation

Between the fourth and sixth week of pregnancy, there may be a slight brownish or pinkish loss that lasts one or two days, similar to what you may have when your period begins or ends. It is not usually accompanied by abdominal pain or if there is, it is mild.

Although when conception occurs, the body sends chemical signals to prevent menstruation from occurring, sometimes when the fertilized egg is implanted in the walls of the uterus, the endometrial tissue erodes, producing a slight bleeding called “implantation bleeding”.

It is possible that you still do not know that you are pregnant and the bleeding is confused with the arrival of the menstruation. But you will see that the bleeding does not go any further and a test will confirm the pregnancy.

Spontaneous abortion

In the case of experiencing more abundant blood loss (such as menstruation) accompanied by abdominal cramps, it can be a symptom of miscarriage .

You should go to the doctor to evaluate the situation. He will do an examination to control the opening of the cervix and an ultrasound to check that the embryo is inside the uterus and has a heartbeat. If all goes well, he will surely tell you to rest until the bleeding subsides.

It’s very disappointing to have a miscarriage, but if it’s any consolation, it’s much more common than we think. It is believed that half of all conceptions end in miscarriage, some without our knowing it. The answer to why a miscarriage occurs is very complex. The causes can be a combination of multiple factors, but most of the time it is due to genetic errors in the early stages of embryo formation.

Ectopic pregnancy

If the vaginal losses are scarce but the pain is intense, it may be one of the symptoms of ectopic pregnancy or extrauterine pregnancy, which occurs when the embryo implants outside the uterus, usually in the fallopian tube, and has very little chance of reaching the uterus. I finish it.

The losses are usually light and brown in color (except if the fallopian tube breaks, which are abundant) and can appear several days or weeks before the pain appears.

Pain in the lower abdomen is very intense in case of ectopic pregnancy and one side may hurt more than the other. Dizziness, fainting, and sometimes lower back pain or pain in the shoulder area may also occur.

Molar pregnancy

Molar pregnancy is very rare but one of its symptoms is vaginal bleeding. There may be intermittent brownish bleeding or discharge accompanied by excessive growth of the uterus that does not correspond to the weeks of gestation.

Molar pregnancy is the result of an abnormal fertilization of the ovum that produces a deformed growth of the embryonic tissue (hydatidiform mole). In no case does it manage to survive, producing a spontaneous abortion accompanied by dark and watery hemorrhages, although it is generally not accompanied by pain.

Uterine hematoma

A bruise can also be a cause of bleeding. It is an accumulation of blood inside the endometrial cavity, something common in women during the first weeks of pregnancy. The bleeding is abundant (as if it were a rule) but it is not usually accompanied by abdominal pain. Most of the time, resting the hematoma is reabsorbed and the losses disappear.

Other motives

The intense hormonal changes that occur in the first weeks of pregnancy can cause slight blood loss just at the time that you should be menstruating.

Maternal infections, such as candidiasis or sexually transmitted infections, although they have nothing to do with the pregnancy itself, can also cause blood loss in the first months.

In turn, during pregnancy there is a greater blood supply to the vessels of the cervix, so when performing a cytology, a medical examination or having sexual intercourse, given the sensitivity of the area, slight bleeding may occur.

Blood loss in the first trimester of pregnancy is quite common and having it does not mean the loss of the pregnancy. If you suffer any bleeding, even if it is very slight, it is essential to go to the doctor and follow his instructions to the letter.

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