Second trimester
Learning Center
Thyroid guard: Do I need one during a mammogram?
A Mayo Clinic expert discusses using thyroid guards during mammograms to reduce the risk of thyroid cancer from radiation.
Tinnitus causes: Could my antidepressant be the culprit?
Ringing in the ears, also known as tinnitus, has many possible causes, such as taking antidepressants.
Toddler speech development: What's typical for a 2-year-old?
A Mayo Clinic specialist describes typical speech development between the ages of 2 and 3.
Tonic-clonic (grand mal) seizure
Learn about this type of seizure that can cause convulsions. Also know how to help if you see someone having one.
Triple X syndrome
Females with this genetic disorder have three X chromosomes instead of two. Symptoms can be mild or include developmental delays and learning disabilities.
Tubal ligation
Thinking of getting your tubes tied? This surgery offers a permanent form of birth control. Know the risks and what to expect.
Turner syndrome
Turner syndrome affects only females as the result of a missing or partially missing X chromosome, causing a variety of medical and developmental problems.
Twin pregnancy: What twins or multiples mean for mom
Twin pregnancy or other multiples? Here's help taking care of yourself — and your babies.
Uterine artery embolization
Learn what to expect, risks and results of uterine artery embolization, a minimally invasive treatment for uterine fibroids.
Uterine fibroids
Learn about these common noncancerous growths and what to do if you have symptoms such as heavy menstrual bleeding.
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