Hormonal changes during pregnancy trigger a variety of symptoms, which can differ in both timing and intensity from woman to woman. While every pregnancy is unique, some pregnancy symptoms are especially common and often serve as early indicators that prompt women to take a pregnancy test.
Pregnancy Symptoms:
Hormonal changes during pregnancy are the primary reason for the wide variety of symptoms women may experience. While symptoms can differ from person to person, many women commonly notice issues like cramping, nausea, vomiting, headaches, constipation, and mood changes (including depression). Some of the most frequent pregnancy symptoms include:
- Delay in menstruation: The first sign of pregnancy that usually occurs is a delay in menstruation. Some women completely stop menstruating, while others may experience light bleeding.
- Morning sickness: Nausea and vomiting, especially in the mornings, are among the symptoms of pregnancy. Often, strong odors can trigger this nausea. Nausea is a common symptom of pregnancy during the first three months and often disappears as the pregnancy progresses.
- Changes in breast structure: During pregnancy, milk formation begins in the mother's breasts to meet the baby's needs after birth. Therefore, breast enlargement may occur. In addition to milk formation, changes such as sensitivity in the breasts and a more prominent appearance of the nipple due to changing hormones may also occur.
- Fatigue: Excessive fatigue is a symptom that begins to occur early in pregnancy. An increase in the hormone progesterone during pregnancy can slow down metabolism and increase fatigue. The feeling of fatigue is often less pronounced after the first 4 months of pregnancy. Another reason for fatigue is the increased iron requirement of the body during pregnancy. Women who do not get enough iron support may develop anemia, which can cause fatigue.
- Increased urination: The increased fluid volume during pregnancy and the pressure exerted by the baby on the bladder can increase the need to urinate. Frequent urination in the early weeks of pregnancy is a common symptom in many pregnant women.
- Back pain: Back pain is one of the symptoms of pregnancy. Changes in posture and increased weight due to the developing baby in the womb can cause back pain.
- Shortness of breath: The increased progesterone hormone during pregnancy can increase lung capacity to increase oxygen to the baby. Therefore, the amount of air increases with each breath, and the person may perceive this condition as shortness of breath.
- Constipation: Changes in hormones and increased pressure on the intestines during pregnancy can slow down the digestive system. Pregnancy period dietary changes such as drinking plenty of water, increasing dietary fiber, and engaging in non-strenuous physical activities can help prevent constipation.
- Headache: Headache is an early symptom of pregnancy but can also occur in the second half of pregnancy.
- Mood swings: Various changes in mood due to pregnancy hormones can be considered normal. Mood swings are more pronounced especially in the first 3 months.
- Vaginal discharge: Changes in vaginal fluids can be observed during pregnancy. Symptoms such as increased discharge, bad odor, and pain during urination may develop. However, when these symptoms develop, it is necessary to seek support from a physician. These symptoms may indicate the development of a vaginal infection. Additionally, this discharge may occur in the form of spotting.
When Do Pregnancy Symptoms Start?
Pregnancy symptoms can start as early as one to three weeks after conception, though the exact timing varies widely among women. Some may notice symptoms within just a few days of becoming pregnant, while others might not experience noticeable changes until later, sometimes only after confirming pregnancy with a test. Early pregnancy symptoms are often similar to PMS, which can make them easy to overlook. One of the most consistent signs, however, is a missed period.
Week-by-Week Pregnancy Symptoms
Pregnancy symptoms often change as the weeks progress. Although a typical pregnancy lasts around 40 weeks, the exact duration can be shorter or longer, depending on the individual. Below is a week-by-week overview of pregnancy symptoms, which may help you know what to expect throughout each stage.
4th Week
- Spotting
- Cramping
- Breast sensitivity
- Mood swings
- Lower abdominal pain
- Vaginal discharge
- Increase in body temperature
- Implantation bleeding (spotting)
- Changes in taste and smell sensitivity
- Fatigue
- Constipation
- Bloating
5-8th Week
- Mood swings
- Fatigue
- Morning sickness
- Breast sensitivity
- Nausea
- Strong cravings for certain foods
- Increased sensitivity to smell
- Frequent urination
- Bloating
- Headaches
9-12th Week
- Constipation
- Bloating
- Acne
- Noticeable growth in breasts and abdomen
- Pain and cramping around the abdomen
- Clear vaginal discharge
- Increased visibility of veins
13-16 Weeks
- Dizziness
- Increased appetite
- Nasal congestion
- Leg cramps
- Darkening of nipple color
17-20 Weeks
- Back pain
- Forgetfulness
- Acceleration in weight gain
- Increase in breast milk production
- Heartburn
- Constipation
- Leg cramps
- Feeling baby movements
- Sleep disturbances
21-24 Weeks
- Breast milk leakage
- Feeling of mild contractions
- Skin dryness
- Protrusion of the belly button
- Back and leg pain
- Headaches
- Increased vaginal discharge
- Fatigue
- Tingling sensation in hands Snoring
25-28 Weeks
- Increase in blood pressure
- Increase in sleep disturbances
- Leg cramps
- Itching
- Hemorrhoids
29-40 Weeks
- Fatigue
- Breast milk leakage
- Increase in blood pressure
- Swelling
Keep in mind that pregnancy symptoms can differ greatly from one person to another, and you may experience additional changes beyond the ones described here. If you notice any unusual or unexpected symptoms, it's best to reach out to a healthcare professional for guidance and support.
What Are Early Pregnancy Symptoms?
The earliest signs of pregnancy often include a missed period, nausea, vomiting, and frequent urination. However, since these symptoms can also be caused by factors unrelated to pregnancy, such as stress or hormonal changes, they do not always guarantee that conception has occurred.. Early pregnancy symptoms include:
- Delayed menstruation
- Nausea
- Vomiting
- Breast tenderness
- Breast enlargement
- Mood swings
- Increased desire for certain foods (cravings)
- Sensitivity to smells
What Are the First Signs of Pregnancy?
For women of childbearing age, a regular menstrual cycle is typical. If your period is delayed by more than a week, pregnancy is often the most common cause. Other early signs, such as dizziness, nausea, and breast tenderness, may also appear and can easily be mistaken for premenstrual symptoms. If your period is delayed for over a week, it's a good idea to see a doctor to determine the reason and confirm whether you are pregnant.
What Should Be Considered in the First Week of Pregnancy?
The first week of pregnancy often overlaps with what would be a normal menstrual period, so most women don't realize they're pregnant during this time. If pregnancy is suspected, adopting healthy lifestyle habits early can benefit both mother and baby. One key step is beginning recommended supplements such as folic acid, vitamin D, and iron, under your doctor's supervision. It's important to consult your healthcare provider to confirm which supplements to start. From the very beginning, avoiding stress, smoking, and alcohol is also vital for a healthy pregnancy.
How Is Pregnancy Calculated?
For women with regular cycles, pregnancy is typically calculated from the first day of the last menstrual period before conception. Childbirth is then estimated to occur about 40 weeks from this date. This gives a general timeframe, but the actual week of pregnancy can be most accurately determined by a doctor, who will consider both your last period and details like ultrasound measurements.
Can Pregnancy Symptoms Be Misleading?
Pregnancy is typically dated from the first day of your last menstrual period in women with regular cycles, with an estimated due date about 40 weeks later. Keep in mind, this is just an estimate”the most accurate way to determine the week of pregnancy is through your doctor, who will consider not only your menstrual history but also results from ultrasound scans and other medical details.
* Contents of this page is for informational purposes only. Please consult your doctor for diagnosis and treatment. The content of this page does not include information on medicinal health care at Liv Hospital .
Frequently Asked Questions About Pregnancy Symptoms
What are the symptoms of pregnancy in 3 days?
It is early to observe symptoms in the first days of pregnancy. However, if symptoms are present, they may manifest as nausea, dizziness, and breast tenderness.
What are the symptoms of pregnancy in 7 days?
The pregnancy symptoms that may appear in the first week of pregnancy are usually similar to premenstrual symptoms such as spotting, cramps in the lower abdomen, and headaches.
What are some strange pregnancy symptoms?
While pregnancy symptoms are experienced similarly by most women, some may experience rare symptoms. Strange pregnancy symptoms include:
- Nosebleeds
- Acne
- Nasal congestion
- Gum bleeding
- Dry mouth
- Brittle nails
What are the most common pregnancy symptoms?
The most common pregnancy symptoms include:
- Delayed menstruation
- Weight gain
- Headaches
- Breast tenderness
- Nausea
- Dizziness
- Fatigue
- Morning sickness
What are the symptoms of pregnancy at 15 days?
During this period, symptoms start to become more pronounced. Cramps may occur in the pelvic area, and vaginal discharge may be observed. Additionally, there may be an increased sensitivity to smells.
What are 100% pregnancy symptoms?
Pregnancy symptoms vary from person to person, and not all women experience the same symptoms. Therefore, we cannot make a definitive list of 100% pregnancy symptoms. However, common symptoms associated with pregnancy include delayed menstruation, morning nausea, breast tenderness and enlargement, fatigue, frequent urination, sensitivity to smells, heartburn and indigestion, headaches and dizziness, and back pain. These symptoms may appear in the early stages of pregnancy but can vary in severity and frequency for each woman.