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What are the symptoms of pregnancy week to week?

By Sara Salgado.
Last Update: 08/23/2018

In general, most pregnant women have the following symptoms, although the severity or intensity with which they feel them varies. Here are the most common ones:

Absence of menstruation or amenorrhea
in women with regular cycles, approximately one week delay may indicate pregnancy. However, it is difficult to be sure that pregnancy exists, as menstruation may be delayed or not present for a month for another set of circumstances.
Nausea and vomiting
typically appear in the morning when waking up or after breakfast, and are due to hormonal alteration that occurs in the body after the embryo implants in the uterus.
PMS-like pain
It is common to feel pain similar to what some women experience before menstruation, continuous pain and deafness in the lower abdomen. They usually occur during the first few weeks of pregnancy, when the woman does not yet know she is pregnant.
Changes in the chest
there is an increase in size and sensitivity. The nipple areola may become darker and nipple pain may appear. It also increases blood supply so that the veins may be noted.
Skin spots
appear due to pregnancy hormones. They usually disappear after childbirth. It is known as chloasma.
Vaginal discharge
Vaginal secretions increase to prevent the baby from acquiring infections.
Increased urge to urinate
the uterus begins to grow during the first weeks of pregnancy, so it can pressure the bladder preventing it from filling up completely with urine. After the first few weeks, the uterus grows upward to occupy the pelvic cavity, releasing pressure from the bladder.
Fatigue and sleep
during the first weeks it is usually normal to want to sleep throughout the day and feel very tired. This usually refers to a few weeks, but there are cases in which it persists throughout the pregnancy.
Changes in taste and smell
Hormonal changes can lead to alterations in taste and smell. For this reason, it is normal that certain food cravings or even aversion or rejection towards others arise, since the perception is more intense.
Dizziness and fainting
hormonal changes of progesterone and estrogens modify blood flow, causing more blood to flow to the uterus and slower flow, so it may happen that not enough blood reaches the brain for a few moments and fainting or dizziness occur.
Weight and volume increase
there is an increase of between 0.5 and 1.5kg per month, although it is very variable. The most significant increase occurs in the third trimester.
Stretch marks
are more frequent in breasts, legs and gut. They are due to the excessive stretching of the skin that is produced by the increase of volume.
Cravings
may be because the body requires some vitamin or mineral, although there is no scientific explanation. It can also alter the appetite and you can go from being hungry to having nausea in a short time.

Suggested for you: What Are the Most Common Symptoms of Pregnancy?.

 Sara Salgado
Sara Salgado
BSc, MSc
Embryologist
Degree in Biochemistry and Molecular Biology from the University of the Basque Country (UPV/EHU). Master's Degree in Human Assisted Reproduction from the Complutense University of Madrid (UCM). Certificate of University Expert in Genetic Diagnosis Techniques from the University of Valencia (UV).
Embryologist. Degree in Biochemistry and Molecular Biology from the University of the Basque Country (UPV/EHU). Master's Degree in Human Assisted Reproduction from the Complutense University of Madrid (UCM). Certificate of University Expert in Genetic Diagnosis Techniques from the University of Valencia (UV).
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