Tag: "ovaries" at medical news
New laparoscopic hysterectomy offers quicker recovery time than traditional surgery
...ogy to remove the uterus and sometimes one or both ovaries
through tiny incisions. Unlike in traditional hysterectomies, the cervix is not removed. The patient's hospital stay is dramatically reduced from a few days to a matter of hours. Post-surgical pain is much less, and recovery time is shorter usually ...
Sex hormone metabolite reduces stress, anxiety in female rats
... not receive any sex hormones. All the rats lacked ovaries
and the ability to produce sex hormones naturally....e acoustic startle response to female rats without ovaries
injected with corn oil. The progesterone group displayed significantly lower CRF-enhanced startle r...
Testosterone improves women's sex lives
...nd the body in women who have had their uterus and ovaries
removed. Several previous studies have shown that...ct testosterone deficiency has on women. When both ovaries
have been removed, the production of testosterone is reduced by half, which can affect the sexual fu...
Estrogen-associated COX-2 pathways explain protection from heart disease in female mice
...ing the prostacyclin receptor in female mice whose ovaries
have been removed took away the atheroprotective effect of estrogen. By taking away the ovaries, the investigators can pinpoint the direct effects of estrogen. In mice treated this way, estrogen, as expected, slows hardening of the arteries. Taking a...
Scientists identify key mechanism in estrogen's role in preventing bone loss
...stmenopausal estrogen deficiency, they removed the ovaries
from mice, then studied the effects of estrogen on... that the level of TGFb in the BMM of mice lacking ovaries
was about half that of mice with ovaries. When they treated the mice with estrogen, levels of TGFb ...
New insights into hormone therapy highlight when estrogen best aids brain
...al estrogen on cognition. Researchers removed the ovaries
of 32 middle-aged mice before starting them on var...no administration of HT. Investigators removed the ovaries
of mice aged 8 to 12 weeks and either treated them with continuous estrogen for 47 days or did not t...
Gender and sex hormones affect the brain's pain response and more, according to new studies
... their study, Galea and her colleagues removed the ovaries
from adult female rats (to eliminate naturally produced estrogens) and then gave the rats various levels of estradiol. "We found that low levels of estradiol improved the animals' working memory, but high levels impaired both their working and their ...
Estrogen or stimulating environment boost memory
...re varied from day to day. At 10 weeks of age, the ovaries
of the mice were removed to simulate the long-term estrogen losses seen in menopause. At six months of age, the mice were then treated with estrogen or a control substance and were tested in tasks measuring spatial memory and memory for objects. "Ani...
Hormone therapy may still offer important health benefits to postmenopausal women
...ears, estrogen and progesterone secretion from the ovaries
diminish. Afterwards, the risk of coronary heart disease and osteoporosis increases. Stroke and dementia are also associated with aging. "Estrogens and progestins provide women with important health advantages before menopause," said Turgeon. "We n...
Research in monkeys suggests estrogen therapy may lower androgens in postmenopausal women
...ir diets for 26 months. All animals then had their ovaries
removed to make them menopausal. For the next three years, the animals were divided into three groups based on diet. One group ate soy that didn't contain isoflavones, which are natural plant estrogens; one group ate soy with the isoflavones intact,...
Frozen, fresh sperm both effective for in vitro fertilization
...th a woman taking fertility drugs to stimulate her ovaries
to produce more eggs than usual. When the eggs are mature, they are retrieved from the ovary and introduced to washed sperm to allow fertilization. The availability of sperm on the day eggs are retrieved is critical to success. Two to five days aft...
Some infertile couples unaware of multiple birth risks
...tments involve the use of drugs that stimulate the ovaries
to produce multiple eggs. When the stimulation is followed by insemination, a woman may become pregnant with several fertilized eggs. Some women choose to reduce this number. In another treatment approach, the stimulation is followed instead by in vi...
Estrogenlike drugs may eventually help postmenopausal women with weight gain
...tists, who commonly study rats that have had their ovaries
removed (ovariectomized [OVX] rats) in order to mimic the decline in sex steroids that occurs at menopause, have found that OVX rats eat more and gain weight more rapidly than sham-opEαted control rats. Estrogen replacement reduces both the incr...
Low-dose transdermal estrogen viable short-term treatment for menopausal women
...ently, on average at age 51. During menopause, the ovaries
reduce their production of the hormones estrogen, progesterone and androgen. About 75 percent of menopausal women report troublesome symptoms--which can become severely debilitating in up to 20 percent: including heart palpitations, hot flashes, ni...
Changes in ovaries could indicate higher risk of ovarian cancer
...d Temple University Hospital, compared the healthy ovaries
of women with ovarian cancer to ovaries
in women without cancer. According to senior author Enrique Hernandez, M.D., professor and chair of ...
New eggs continue to develop in adult mice
...fic views that the number of oocytes (eggs) in the ovaries
of most mammals is fixed at birth, scientists repo...te-containing follicles continue to develop in the ovaries
of adult mice. The research suggests that these new oocytes come from stem cells located in the ova...
OHSU scientists advance fertility preservation procedure
...ancer, the scientists laparoscopically removed the ovaries
of seven anesthetized female monkeys. Researchers then transplanted some of each monkeys' own ovarian tissue back into the now infertile animals. The tissue was implanted in the arm, abdomen or kidney. Four monkeys had transplants to both the arm and...
Climara Pro (TM) helps alleviate menopausal hot flashes and night sweats
...stradiol, which simulates the estrogen made by the ovaries
(0.045 mg/day), and levonorgestrel, (0.015 mg/day) at doses substantially lower than in pills, through a thin, translucent patch that is easily affixed to the skin and virtually invisible after being applied. Transdermal delivery, unlike oral therap...
'Dry eye' in women may be linked to sex hormones
CHICAGO Women whose ovaries
prematurely cease functioning may be at a greater ... Premature ovarian failure (POF) occurs when the ovaries
stop functioning normally in women under 40 years and affected approximately 1 percent of women in a...
Estrogen makes the brain more vulnerable to stress
... estrogen was involved the researchers removed the ovaries
of a new group of female rats to eliminate any circulating estrogen. They then implanted a time-release capsule containing either estrogen or placebo and repeated the experiment. Animals with estrogen capsules displayed the same sensitivity to stress...
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