First trimester
Learning Center
Down syndrome
Down syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosome 21.
Absence seizure
This type of seizure produces symptoms such as a vacant stare, lip smacking and eyelid fluttering.
Heart disease
Learn about symptoms, causes and treatment of cardiovascular disease, a term describing a wide range of conditions that can affect the heart.
Hepatitis A
This contagious liver infection is caused by a virus. Learn more about its symptoms, treatment and prevention, including the hepatitis A vaccine.
Oral thrush
Oral thrush is a fungal infection caused by the overgrowth of Candida albicans, which causes creamy white lesions on the tongue and lining of your mouth.
Hydronephrosis
Learn about this condition that occurs when urine doesn't drain properly from the upper urinary tract, leading to kidney swelling.
Partial anomalous pulmonary venous return
In this heart problem present at birth, some of the blood vessels of the lungs connect to the wrong places in the heart. Learn when treatment is needed.
Broken collarbone
This common injury is usually the result of falling, playing sports or being in a traffic accident.
Phenylketonuria (PKU)
PKU is caused by a change in the gene that helps create an enzyme needed to break down phenylalanine. Treatment includes a special diet and medication.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
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