Maintenance of low intrauterine pressure by estrogen and progesterone during late pregnancy in rats.
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چکیده
منابع مشابه
[Changes of intrauterine pressure in progesterone-treated ovariectomized rats during the second half of pregnancy].
Pregnant rats were ovariectomized on day 14 of pregnancy (sperm = day 1) and daily injected with 4 mg progesterone. The intrauterine pressure and volume of the conceptus with placenta of these rats and intact normal pregnant rats were measured every morning between day 14 and 20 of pregnancy. The average volume of the conceptus in both groups increased at an almost constant rate until day 18 of...
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OBJECTIVE To determine the relationship between serum P levels on the day of hCG administration and ongoing pregnancy rates. DESIGN Retrospective study. SETTING University-affiliated private IVF. PATIENT(S) A total of 2,458 couples undergoing IUI. INTERVENTION(S) Ovarian stimulation with human recombinant FSH. MAIN OUTCOME MEASURE(S) Ongoing pregnancy and miscarriage rates. RESULT(S...
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متن کاملBiology of progesterone action during pregnancy recognition and maintenance of pregnancy.
Progesterone is the hormone of pregnancy and unequivocally required in all mammals for maternal support of conceptus (embryo/fetus and associated membranes) survival and development. The actions of progesterone are mediated by the progesterone receptor (PR). However, the endometrial lumenal (LE) and glandular epithelia (GE) of a number of species exhibit a loss of PR expression prior to the sta...
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ژورنال
عنوان ژورنال: The Japanese journal of animal reproduction
سال: 1989
ISSN: 0385-9932
DOI: 10.1262/jrd1977.35.193