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At least 883 records · Page 49Linked to original sources
PubMed1984

Changes in soluble proteins in cervical mucus during midcycle in normally menstruating women.

Albumin, IgG and complement C3c were analyzed by immunonephelometry in cervical mucus collected daily at midcycle. There was a statistically significant difference in the amount of mucus recovered on the day of the luteinizing hormone (LH) surge and on the following day. Several nadirs in protein concentration could be visualized in 8 out of 14 subjects, whereas in 6 subjects, no such changes in concentration were found. In terms of soluble protein concentrations and amounts there were no differences between cycle days. For changes in soluble protein concentrations and amounts, no systematic time relation to the LH peak could be found.

Adult↗
PubMed2004

The patterns of uterine contractility in normal menstruating women: from physiology to pathology.

The nonpregnant uterus shows uterine activity throughout the menstrual cycle. This uterine activity was detected both by single strep tissue and by using intrauterine pressure recordings in vitro and in vivo. Today, ultrasound has made it possible to study this activity with a noninvasive approach and to assess uterine contractions (UCs) in real-time movements of the uterus. Throughout the menstrual cycle, wavelike activity patterns of the reproductive organ were established. These patterns are under control of steroid hormones. Adequate UCs may provide for gamete/embryo transportation throughout the uterotubal cavities and successful embryo implantation in spontaneous and/or assisted reproduction. Inadequate UCs may produce ectopic pregnancy, miscarriages, retrograde bleeding with dysmenorrhea, and endometriosis.

Dysmenorrhea↗
PubMed1990

Hypothalamic-pituitary-ovarian function in menstruating women with Turner syndrome (45,X).

The hypothalamic-pituitary-ovarian hormone secretion patterns were evaluated in two women with 45,X Turner syndrome, spontaneous sexual development, and monthly menstrual periods. Each women had serum gonadotropin and sex steroid determinations during two or more menstrual cycles. During the follicular phase of a menstrual cycle, both women received 100 micrograms gonadotropin-releasing hormone (GnRH) s.c., and serum LH and FSH responses were determined. In addition, one woman collected daily overnight urine specimens for 40 consecutive days, spanning two menstrual periods, for the measurement of LH, FSH, estriol, and free progesterone. The randomly measured hormone results showed low serum progesterone concentrations during luteal phases, consistent with the interpretation of anovulation or inadequate corpus luteum function. At the time of the GnRH stimulation tests, baseline serum FSH concentrations and FSH responses to GnRH were within normal limits, whereas baseline LH levels and LH responses to GnRH were low. The pituitary gonadotropin secretion patterns were more consistent with patterns seen during early puberty than in the perimenopausal state. This interpretation was further confirmed by the urinary excretion patterns of gonadotropins, which were not significantly elevated. Furthermore, the urinary hormone profiles revealed that, although the intermenstrual period was of normal length, the follicular phase was prolonged, with normal levels of LH, FSH, and estriol excreted. The menstrual cycle studied was ovulatory but had a short luteal phase. The hormone results indicated that the dysgenetic ovary of women with 45,X Turner syndrome is capable of producing sufficient quantities of sex steroids and other regulatory factors to maintain gonadotropin secretion patterns that are reminiscent of early puberty.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1982

Consistency of some personality measures as a function of stage of menstruation.

Two groups of college women were administered the Hand Test and selected scales from the Guilford-Zimmerman Temperament Survey. One group was tested in the premenstrual phase of the menstrual cycle (days 20-25); the other group at the beginning of the cycle (days 5-9). Significant differences were obtained, but the results did not corroborate earlier findings that negative personality characteristics are associated with the premenstrual phase of the cycle. The implications of the results and relevant methodological considerations are discussed.

Adult↗