The delineation of deep bodily structures by sending ultrasonic waves (sound waves of frequency higher than the range audible to the human ear, i.e. above 20,000 cycles per ...
Two arteries and one vein encased in a gelatinous tube leading from the baby to the placenta. Used to exchange nutrients and oxygen from the mother for waste products from the ...
An infection that may cause the formation of sperm antibodies and an inflammation of the uterine lining, either of which may interfere with implantation of the embryo.
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