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At least 73 records · Page 4Linked to original sources
PubMed1976

The temperature, pH, and partial pressure of oxygen in the cervix and uterus of women and uterus of rats during the cycle.

Changes in the temperature, pH, and partial pressure of oxygen (PO2) in the cervical canal and cavum uteri were measured in women with or without an intrauterine device and in the uteri of rats throughout the cycle. Only the PO2 exhibited significant variations, rising during the ovulatory phase in both cervices of women and uteri in rats. It is speculated that the rise in PO2 is related to the function of these organs as reservoirs for spermatozoa.

Adult↗
PubMed1975

Progesterone in the uterus. IV. Dependence of the in vitro progesterone metabolism in the rat uterus on the progesterone concentration.

After incubation of uterine segments of normal rats with various 3H-progesterone concentrations in nutrient medium, different patterns of radioactive steroids were obtained in uterine tissue. Using hormone concentrations of less than 5 X 10(-7)M progesterone metabolites could not be detected in the tissue. A series of metabolites appeared with progesterone concentrations of 10(-6)M and higher. Six radiometabolites were identified and two were characterized.

Animals↗
PubMed1999

Ultrasound B-mode changes in the uterus and ovaries and Doppler changes in the uterus after total body irradiation and allogeneic bone marrow transplantation in childhood.

Internal genitalia and uterine blood flow were assessed by ultrasound in 12 females 4.0-10.9 years after total body irradiation and allogeneic bone marrow transplantation for childhood leukaemia or lymphoma. Median age of the participants was 12.7 years (range 6.1-17.6) at bone marrow transplantation and 21.5 years (11.6-25.6) at the follow-up study. At follow-up all had entered puberty and 11/12 females had experienced the menarche. Eight females received sex steroid replacement therapy, three had spontaneous pubertal development and one woman experienced symptoms of estrogen deficiency. Median uterine and ovarian volumes were significantly reduced to -2.6 standard deviation scores (SDS) (-6.3 to -0.6), P = 0.002, and -2.6 SDS (-4.8 to -0.5), P = 0.002, respectively, compared with normal controls. Follicles were only detectable in two individuals. Uterine blood flow was impaired, as a systolic blood flow could be measured in 6/9 individuals, and a diastolic blood flow in 1/9 females. Our results indicate that the prescribed dosage of hormone replacement therapy, which was sufficient to induce bleeding and suppress other stigmata of premature menopause, was inadequate to generate normal uterine growth. In order to achieve uterine growth higher doses of hormone replacement therapy may be required. Our results confirm pelvic ultrasound as a reliable tool for investigation of internal female genitalia; however, in an infertility setting further tests are indicated.

Adolescent↗