I can be pregnant and menstruate.


Most women know that once we are pregnant, menstruation will stop arriving at least until the end of 9 months of gestation.

In fact, this is the main clue we have to discover that we are indeed expecting a baby.

pregnant and menstruate

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However, when we are searching to become pregnant, one of the main uncertainties that many women ask themselves: Can I be pregnant and menstruate at the same time? is whether the bleeding we experience is due to menstruation.

One of the great doubts is whether it is possible to be pregnant and menstruate? Or is the bleeding due to something else?

Although not all of them do, 30% of women experience moments of blood loss and bleeding during the first trimester of pregnancy.

While this is absolutely normal, many women who have not yet proven their pregnancy wonder if the blood loss they are experiencing is a normal menstrual or pregnancy symptom, wondering, can I be pregnant and menstruate at the same time? Is it normal? Is it possible?

Can I be pregnant and menstruate? A great confusion

Although the absence of menstruation is a clear sign of pregnancy, many women may experience bleeding during the first trimester of pregnancy, confusing it with the usual normal menstruation. So how does our pregnancy work?

Can I be pregnant and menstruate? How common is it to keep having blood loss in pregnancy? How do I know for sure that I am pregnant?

It is impossible for a woman to have monthly bleeding if she is pregnant.

First of all, you should know that not only is it possible, but it is also very common to have some vaginal bleeding during the first 12 weeks of pregnancy.

What happens is that this bleeding is very different from that of menstruation, so there is no talk of having the period properly in pregnancy, but of bleeding.

Approximately 30% of women may have this type of bleeding or vaginal bleeding in early pregnancy, but despite being something frequent remains a mystery to many women.

The confusion arises because the first symptoms of pregnancy are usually very similar to those of the menstrual period: you experience slight bleeding, abdominal pain, pain in the breasts …

Confusion occurs because the first symptoms of pregnancy are very similar to those of the menstrual period.

On the other hand, many women also tend to experience these bleeds, in the second and third trimesters but in a very different way from their menstruation and with less frequency. Although only one in 200 pregnant women has this bleeding during pregnancy, it is not considered anything other than normal.

The bleeding that occurs during pregnancy is very different from what we normally experience during menstruation.

Is there no chance of menstruating during pregnancy?

It is impossible for a woman to have monthly bleeding if she is pregnant. Although it is very common that for hormonal or functional reasons, many women experience some form of menstrual-like bleeding during the first three months of gestation, both occur for completely different reasons.

When it comes to menstruation, a woman’s egg has not been fertilized and the endometrium, the tissue that helps create an environment for the baby to grow up healthy, often detaches from the walls of the uterus, causing the usual menstrual bleeding.

It is impossible for a woman to have monthly bleeding if she is pregnant.

But if the woman is pregnant, in addition to having fertilized the egg, the endometrium is not expelled, which means that there is no menstruation.

Blood loss early in pregnancy is called decidual hemorrhage.

Implant bleeding or menstruation?

Although the blood loss experienced during early pregnancy does resemble the menstrual period, it is completely different.

This type of bleeding, characteristic of the first few weeks, is called a decidual hemorrhage and occurs as a result of implantation that takes place when the fertilized egg attaches to the uterus.

In these cases, the adhesion of the embryonic sac on the wall of the uterus is incomplete, causing the rupture of small vessels that will generate bleeding.

The presence of bleeding does not necessarily have to do with menstruation.

Bleeding may occur just after fertilization or in the months following fertilization and may be expelled once or intermittently. In any case, this situation is solved as the pregnancy progresses, because the sack that holds the baby will grow.

On the other hand, this type of bleeding also occurs during pregnancy because the hormones tend to unbalance causing a detachment of the membrane that covers the uterus in the first weeks. But, as we told you before, decidual bleeding can also occur throughout the 9 months, without causing any complications.

How can I tell the difference between the two bleeds?

So that you don’t come back to doubt, can I be pregnant and menstruate?  It is important that you know how to differentiate the bleeding that occurs on implantation from that of menstruation.

First of all, the implantation bleeding is almost always very scarce and its color, smell and duration vary completely to the one we usually present in the menstrual cycle.

If you suspect that you are pregnant and notice that the bleeding you are experiencing is dark red or brown and its flow decreases within days, as is the case with your menstrual period, then this is clearly bleeding by implantation. Don’t forget that this is nothing serious, but a simple symptom to indicate that the pregnancy has begun.

Women who experience bleeding during early pregnancy almost always confuse it with menstruation.

Possible cases of pregnancy and bleeding

In addition to the bleeding caused by implantation, there are many other factors that can trigger this situation. Let’s see in what other situations, which cause doubt, can I be pregnant and menstruate at the same time?

You may experience bleeding during pregnancy, although it is not very common:

  • The implantation of the fertilized egg.
  • Infections.
  • cervical irritation
  • The body’s organic memory, i.e. the presence of menstruation that the body can generate automatically.
  • Ectopic pregnancies, those that grow outside the womb.
  • Threat of premature birth
  • Threatened abortion

When should I see a doctor?

Although the presence of vaginal bleeding or hemorrhage that is usually experienced during the first months of pregnancy is a temporary situation that can be solved spontaneously, you should pay close attention if you notice that in addition to having abundant blood loss, its tone is red and are accompanied by pains similar to menstruation.

If so, it is extremely important that you see a doctor as soon as possible, as this could be a threatened miscarriage or an ectopic pregnancy (when the fertilized egg develops outside the uterus).

It is important to be aware, as it can often be a sign of pregnancy-related complications.

Although they can be very worrying for any woman who is looking to get pregnant, this type of bleeding is not abnormal, much less represent some kind of danger to the baby or for the mother, as long as they comply with the characteristics we have explained above, as sometimes, these can be a sign of pregnancy-related complications.

Don’t forget to call your gynaecologist if you have doubts and pay close attention to all the changes your body undergoes during pregnancy.

If you have any doubt, consult your doctor about your particular case.

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