Pregnancy and ChildbirthHow to know if you are pregnant: The first symptoms of pregnancy

How to know if you are pregnant: The first symptoms of pregnancy

Each woman is a world. Some feel almost no symptoms, while others feel them even before confirming pregnancy. The truth is that when pregnancy occurs, the woman’s body is revolutionized due to the action of hormones and important changes appear at all levels. How do you know if you are pregnant? Pay attention to the symptoms.

The only reliable way to confirm it is through a pregnancy test, but know what the first signs are that you are pregnant.

Absence of menstruation

Absence of menstruation is the most important pregnancy symptom. If the period is delayed, it is a clear sign of possible pregnancy. As you know, when the ovum that the woman expels is fertilized, it is implanted in the endometrium where the embryo will nest. If there is no fertilization, the endometrium breaks down producing bleeding (what we know as a rule), but if it occurs, that is, if there is a pregnancy, there will be no bleeding.

There may be slight bleeding that lasts only a day or two, darker and less abundant known as implantation bleeding. It can be confused with the rule because it occurs between 6 and 10 days after fertilization when the embryo adheres to the wall of the uterus, but it is lighter.

Tender breasts

Another of the symptoms that make one suspect a pregnancy is an extreme sensitivity in the breasts. Swelling, irritability and discomfort, even slight pain when rubbing the nipples.

At the slightest sign of pregnancy, the breasts begin to prepare to feed the baby. The hormone progesterone affects the growth of the mammary glands and estrogens in the development of the milk ducts, causing an increase in blood flow, the layer of fat and the size of the milk glands.


Many women experience quite a marked feeling of tiredness and feel sleepy at any time of the day.

The woman’s body prepares to host a new life. This translates into a considerable increase in the volume of blood circulating through your veins and an increased pulse, so you also need a longer rest to regain energy.

Feeling of discomfort, listlessness and some weakness are normal in the first weeks of pregnancy. Even before it is confirmed by a test.


As we mentioned, the cardiovascular system of women is working at forced marches, therefore it is normal for a drop in blood pressure to cause dizziness at any time of the day, which in some cases can end in fainting.

They are more frequent when standing up or getting out of bed abruptly, after eating, or after standing for a long time. To avoid them, always do it slowly and avoid standing for a long time.

Nausea and vomiting

There are women who do not have them and others who can have them throughout their pregnancy, although the most common is that they disappear after the first trimester, at most four months. But this depends a lot on each woman.

Again, those responsible are the hormones that cause an unpleasant feeling of a queasy stomach, excessive salivation, and the urge to vomit, which in some cases takes place. They are more common in the morning when you wake up, although they can occur at any time of the day.

Aversion to certain smells and foods

Taste and smell are also affected in pregnancy, especially in the first trimester. Smells that you used to like become disgusting, and the same with food.

The increase in estrogen causes women to have a more prominent smell and extreme sensitivity to odors, which for perfumers can be an advantage but during pregnancy it becomes a truly unpleasant annoyance.

Other pregnancy symptoms

We have discussed the most common symptoms, but as you know, each woman is different and can experience changes at all levels.

Some women experience other common complaints such as a headache that is concentrated on both sides of the head and at the back of the neck, nasal congestion, caused by dilation of the blood vessels (also called “rhinitis of pregnancy”), or swelling of the feet and hands due to increased blood volume.

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