Symptom Encyclopedia

Your trusted guide to fertility, pregnancy, and menstrual symptoms. Understand what your body is telling you.

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Menstrual

3 symptoms
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Early Pregnancy

11 symptoms
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Implantation Cramps

Implantation cramps occur when a fertilized egg attaches to the uterine lining, typically 6-12 days after ovulation. They feel like mild twinges or a ...

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Breast Tenderness

Breast tenderness, swelling, and sensitivity are among the earliest signs of pregnancy, often appearing 1-2 weeks after conception. Hormonal changes —...

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Nausea & Morning Sickness

Morning sickness affects 70-80% of pregnant women, typically starting around week 6 and peaking by week 9. Despite its name, nausea can occur at any t...

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Fatigue in Early Pregnancy

Extreme tiredness is one of the most common early pregnancy symptoms. In the first trimester, your body is working overtime — building a placenta, inc...

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Food Cravings & Aversions

Up to 90% of pregnant women experience food cravings, and about 50-85% experience food aversions. These typically start in the first trimester and may...

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Frequent Urination

Increased urination is an early pregnancy sign that can start as early as week 4. Your kidneys filter 25% more blood during pregnancy, producing more ...

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Bloating & Gas

Bloating is one of the earliest pregnancy symptoms, often starting before a missed period. Progesterone relaxes smooth muscle throughout your body, in...

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Mood Swings

Mood swings during pregnancy are caused by dramatic hormonal shifts — estrogen and progesterone levels rise dramatically, affecting neurotransmitters ...

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Headaches During Pregnancy

Headaches are common in the first trimester due to hormonal changes, increased blood volume, and lifestyle adjustments. They often improve in the seco...

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Cramping in Early Pregnancy

Mild cramping in early pregnancy is very common and usually normal. It's caused by the uterus stretching and growing, implantation, or increased blood...

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Vaginal Discharge Changes

Increased vaginal discharge (leukorrhea) is one of the earliest pregnancy signs. Normal pregnancy discharge is thin, white or milky, and mild-smelling...

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Pregnancy

9 symptoms
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Back Pain During Pregnancy

Back pain affects 50-80% of pregnant women. It can range from mild stiffness to severe pain that limits daily activities. Most common in the lower bac...

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Braxton Hicks Contractions

Braxton Hicks are 'practice contractions' that prepare your uterus for labor. They typically start in the second trimester and become more noticeable ...

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Swollen Feet & Ankles

Swelling (edema) in feet and ankles is extremely common during pregnancy, especially in the third trimester. Your body retains extra fluid (up to 6 ex...

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Round Ligament Pain

Round ligament pain is a sharp, jabbing pain or ache in the lower belly or groin area during pregnancy. It's most common in the second trimester. The ...

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Constipation During Pregnancy

Constipation affects up to 38% of pregnant women. Progesterone relaxes the intestinal muscles, slowing digestion. Iron supplements in prenatal vitamin...

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Heartburn During Pregnancy

Heartburn (acid reflux) affects 17-45% of pregnant women. Progesterone relaxes the valve between the stomach and esophagus, allowing stomach acid to f...

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Pregnancy Insomnia

Sleep disturbances affect up to 78% of pregnant women. Causes shift throughout pregnancy — first trimester insomnia is often hormonal, while third tri...

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Sciatic Nerve Pain

Sciatica during pregnancy is shooting pain that radiates from the lower back through the buttock and down the back of one leg. It affects about 1% of ...

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Varicose Veins During Pregnancy

Varicose veins are swollen, twisted veins that appear most commonly in the legs during pregnancy. They affect up to 40% of pregnant women. The good ne...

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Fertility

2 symptoms
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Conditions

3 symptoms

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