Thyroid conditions may make getting pregnant impossible.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
Invasive species provide an example of predator pressure.
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Relationship between thymidylate synthase and enzymes of tetrahydrofolate metabolism
r, k-selected species
Some fishing practices kill nontarget animals and damage ecosystems