Examlex
A subset of cases selected from a larger population is a __________.
a. control group
b. target group
c. treatment group
d. sample
Placental LH-like Hormone
A hormone produced by the placenta that is structurally similar to luteinizing hormone (LH) and supports the corpus luteum, maintaining the production of progesterone during early pregnancy.
Trimester
A term describing a period of three months, often used to divide the nine months of pregnancy into three stages, each with its own developmental milestones.
Melatonin Secretion
The release of melatonin, a hormone regulated by the pineal gland, which influences sleep-wake cycles and circadian rhythms.
Half-Lives
The time required for a quantity to reduce to half its initial amount, often used to describe the decay of radioactive substances or the elimination of drugs from the body.
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