L Terms

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Low birth weight
Technically, any baby with a birth weight under 2500 grams is a low birth weight baby (LBW). LBW babies are usually premature as well. However, ... Read More
Low lying placenta
Placenta that implants at the lower end of the uterus. Normally, the placenta implants in the mid or upper portion of the uterus. If it implants ... Read More
Lumbar puncture
A lumbar puncture (LP), often called a spinal tap, is a procedure in which a small amount of the fluid that surrounds the brain and spinal cord, ... Read More
Lupus anticoagulant
An abnormal antibody that has been associated with frequent pregnancy loss. The lupus anticoagulant is often found in people with lupus ... Read More
Lupus erythematosus
A condition in which the body makes antibodies against itself. It can present with arthritis, skin rashes and multiple other problems. About ... Read More
Luteal phase
Post-ovulatory phase of a woman's menstrual cycle. The corpus luteum, a part of the ovary, produces progesterone, which stimulates the ... Read More
Luteal phase defect
Also called inadequate luteal phase. This is a defect in which the lining of the uterus (endometrium) either is not exposed to enough ... Read More
Luteinizing Hormone (LH)
The pituitary hormone responsible for inducing egg release and stimulation of the corpus luteum.
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