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Calculating a Due Date A typical pregnancy lasts, on average, 280 days, or 40 weeks—starting with the first day of the last normal menstrual period as day 1. An estimated due date can be calculated by following steps 1 through 3: First, determine the first day of your last

Warning Signs During Pregnancy What are some warning signs of possible pregnancy complications? Talk with your healthcare provider about the possible warning signs of preterm labor and other pregnancy complications. Tell your healthcare provider right away if you have any of

Pregnancy Click on the links below to learn more about this topic. Pregnancy Overview Anatomy: Fetus in Utero The First Trimester (0 - 12 Weeks) The Second Trimester (12 - 24 Weeks) The Third Trimester (24 - 40 Weeks) The Pregnant Mother Hormones During Pregnancy Weight Gain

Eye Care Specialists What is an ophthalmologist? An ophthalmologist is either a medical doctor (MD) or an osteopathic doctor (DO). They provide complete eye care. This includes exams, diagnosis, and treatment for many eye disorders. They are skilled in all types of eye care. They

Air Pollution What is air pollution? Air pollution is when harmful substances are in the air that we breathe. National agencies and organizations report that: Air pollution comes from many sources. Some of these include industrial operations. Other sources are stationary fuel

Allergens: Dust and Dust Mites What are dust allergens? Dust allergens are substances found in dust. They may include: Fabric fibers. Lint. Feathers. Stuffing materials. Animal protein (dander, saliva, urine, and body oils). Bacteria. Mold and fungus spores. Food particles

Recognizing Gynecologic Problems Gynecological symptoms that may need medical attention Vaginal bleeding and discharge are a normal part of your menstrual cycle before menopause. But, if you notice anything different or unusual, talk to your healthcare provider. Don't try to

Immunotherapy: What Is It? Your immune system protects you from illness and foreign substances that can harm you. Scientists have found a way to use the body's immune system to help treat or prevent many health problems. This treatment is known as immunotherapy. Uses of

Describing a Skin Condition How to describe a skin condition A doctor may ask you to describe your skin condition and its location. Here are some of the more common terms that may help you give a more accurate description: Condition What it looks like Abscess A closed, painful

Topic Index - Pregnancy and Childbirth Pregnancy & Childbirth Home Planning a Pregnancy Signs of Pregnancy / The Pregnancy Test Calculating a Due Date Prenatal Medical Care Pregnancy Pregnancy Overview Anatomy: Fetus in Utero The First Trimester (0 - 12 Weeks) The Second