Of 900 biopsies made with a small suction curet 457 from 329 women were analyzed to show the progression of the endometrium from the high-estrogen early-proliferative phase, immediately following menstruation, through the late proliferation occurring about Day 12 foll owing menstruation. Classifications from Days 14 to 27 are much easier to make because the 1st sign of progestin effect causes significant change. On Day 15 vacuolization of the cytoplasm and beginning migration of the nuclei toward the surface of the cells is seen, leaving a lucid zone underlying the nuclei. On Day 17 this zone is well-marked and the nuclei above it are lining up to lie later each beside the other near the middle of the cell. On Day 19 the row of nuclei has sunk distally near to the base of all the cells. On Day 18 a beginning edema of the stroma is seen, first in patches; by Day 21 it is generalized and the last vestige of the zona pellucida has disappeared. On Day 21 the process of secretion, which began about Day 17, is well advanced. From Day 21 on the signs of hormonal action are seen not primarily in the gla nds but
Biopsy studies of human endometrium: criteria of dating and information about amenorrhea, menorrhagia, and time of ovulation.
Abstract
Of 900 biopsies made with a small suction curet 457 from 329 women were analyzed to show the progression of the endometrium from the high-estrogen early-proliferative phase, immediately following menstruation, through the late proliferation occurring about Day 12 foll owing menstruation. Classifications from Days 14 to 27 are much easier to make because the 1st sign of progestin effect causes significant change. On Day 15 vacuolization of the cytoplasm and beginning migration of the nuclei toward the surface of the cells is seen, leaving a lucid zone underlying the nuclei. On Day 17 this zone is well-marked and the nuclei above it are lining up to lie later each beside the other near the middle of the cell. On Day 19 the row of nuclei has sunk distally near to the base of all the cells. On Day 18 a beginning edema of the stroma is seen, first in patches; by Day 21 it is generalized and the last vestige of the zona pellucida has disappeared. On Day 21 the process of secretion, which began about Day 17, is well advanced. From Day 21 on the signs of hormonal action are seen not primarily in the gla nds butPreview Only. This article cannot be rented because we do not currently have permission from the publisher.
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Biopsy studies of human endometrium: criteria of dating and information about amenorrhea, menorrhagia, and time of ovulation.
Rock, J.; Bartlett, M. K.
Journal of the American Medical Association
MEDLINE Abstracts – Jun 12, 1937
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