There are a few 'safe' days in menstrual cycle
...strogen and progesterone. An abrupt change in the ratio of these hormones marks the event of ovulation. This signal was used to identify days of ovulation during 696 menstrual cycles. In previous reports, Wilcox and colleagues had shown that the fertile window spans six days, ending with the day of o...Insulin precursor linked with increased stroke risk; may represent new risk factor
...eta cells of the pancreas, explains Lindahl. "The ratio of proinsulin to insulin in the blood stream is frequently increased in diabetes patients, possibly because high blood levels of glucose induce increased insulin release from the beta cells and speed up the conversion of proinsulin. This, in turn, c...No evidence that large numbers of physicians are leaving California, say UCSF researchers
... UCSF Center for Health Professions. In fact, the ratio of physicians to population has increased from 177 doctors for every 100,000 people in 1994 to 190 per 100,000 in 2000. This is above the requirement set forth by the Council on Graduate Medical Education (COGME), according to the report titled The P...Risk of uterine rupture during labor higher for women with a prior cesarean delivery
...ds to the complexity of assessing the risk/benefit ratio of procedures to use for the births to follow. Another factor brought to light by the study," she added, "is the use of prostaglandins to induce labor, which produces the greatest risk of uterine rupture when there have been prior C-sections." Dr. P...University of Pittsburgh researcher provides first-ever definition of HIV-associated lipodystrophy
...ass index, arm, thigh, waist, hip and waist-to-hip ratio using the standardized protocol. Dr. Kingsley recommends dual energy X-ray absorptiometry (DEXA) scan for quantifying muscle, bone and fat in arms, legs and abdomen, and computed tomography (CT) or MRI to quantify and discriminate between visceral an...Mecca pilgrims a priority for meningococcal vaccination
...he Hajj 2001 was low (below 47%). The casefatality ratio was high (20%), and sustained transmission of the virulent outbreak strain was seen. Mary Ramsay of the PHLS comments: This outbreak is characterised by a high case-fatality rate that might reflect the virulence of the strain or characteristics of t...Many patients with coronary artery disease still fail to use aspirin therapy
...d aspirin had nearly twice the risk of death (risk ratio of 1.85) than those patients who used aspirin, Califf noted. Men were more likely than women to be taking aspirin, according to the study results. Higher use also was seen among younger patients, nonsmokers and patients with a prior heart attack ...Cigarette ads target youth, violating $250 billion 1998 settlement
...st tobacco companies. Then they looked at how the ratio of ads placed in magazines with various levels of youth readership shifted over time. They found that from 1997 to 2000 the number of cigarette advertisements in youth magazines fell 26 percent, largely because ad costs went up. Magazine advertisin...American Academy of Neurology presents 54th Annual Meeting in Denver
...inosis Obesity as a Stroke Risk factor: Waist Hip ratio and Body mass Index in the Northern Manhatten Stroke Study Sleep Habits of Juvenile Detainees in the Chicago Area The eight-day meeting is anchored at the Colorado Convention Center in Denver, with related AAN science and education programs taking p...Iron supplementation enhances aerobic training in iron-depleted women
... in maximal oxygen uptake and respiratory exchange ratio than the placebo group. The women with the most depleted initial iron status experienced the most improvement in their adaptation to aerobic exercise. The study suggests that otherwise healthy women may realize added benefits from their exercise pro...Overstocked blood drains nations supply
...hree days after the surgeries. They measured the ratio of cross-matched blood (C) to transfused blood (T) the C/T ratio. A high C/T ratio means more blood must be kept in inventory, which increases hospital costs, wastes personnel time an...Implantable defibrillators cost-effective for preventing sudden death
...e survival benefit, putting the cost-effectiveness ratio at $66,677 per year of life saved. The defibrillat..., but they paid extra to get that extra life. The ratio of the additional amount paid for the additional survival benefit is the cost-effectiveness number, ...Beyond obesity: waist-to-hip ratio may be better predictor of stroke risk
... that of 576 stroke victims, the mean waist-to-hip ratio (WHR) was greater than among the non-stroke control group of 1,142 people. However, the mean BMI was greater in the control group. What our data outcomes indicate is that the effect of WHR on stroke risk is independent of BMI, and may be even more...Causes of menstrual migraine explored
...uent form of migraine, Welch said. Also, since the ratio of women to men with migraine is three to one, it makes sense to examine how ovarian hormones affect migraine. Migraine affects about 8.7 million women in the United States each year, according to the American Council for Headache Education. Of those...Parental smoking around time of conception linked to reduction in male births
...this weeks issue of THE LANCET. The male to female ratio of children has declined substantially over the pa...e pregnancy was confirmed). The male to female sex ratio was calculated for three groups: men and women who did not smoke, those who smoked up to 20 cigarett...Non-traditional roles may boost risk of heart disease and death
...y controlled for age, systolic blood pressure, the ratio of total cholesterol/high density lipoprotein cholesterol, body mass index, smoking and diabetes. Researchers also found that men with lower incomes and a lower educational level had an increased risk of heart disease and death. Men with personal inc...Women suffering from anorexia are 50 times more likely to commit suicide
...e, resulting in an elevated standardized mortality ratio of 56.9 for the anorexia nervosa subgroup. A total of 58 of the 246 subjects reported at least one suicide attempt during the course of the study, and of these, 32 made multiple attempts. Suicide attempts occurred in 21% of the ANR subjects, 31% of...UT Southwestern gerontologist offers ways to find the right nursing home
... a variety of recreational activities? What is the ratio of staff members to residents during the afternoon and overnight? For optimal supervision, there should be one staff member for every five to six residents. Once consumers have done as much preliminary research as possible, they should visit each pr...Sex at birth linked to latitude
... in Malta analysed and compared the male to female ratio in Europe and North America over 50 years. Europe ...ordic countries. In contrast, a low male to female ratio was found in Mexico, a higher ratio in the United States, and an even higher ratio in Canada. The au......understood. However, scientists do know that the ratio of high-density lipoprotein cholesterol (the good cholesterol) to low-density lipoprotein cholesterol (the bad cholesterol) tends to be lower in smokers compared to nonsmoker. This puts smokers at higher risk of developing atherosclerosis, the disea...