Women who used the once-a-week birth control patch, ORTHO EVRA® (norelgestromin/ethinyl estradiol transdermal system), were more likely to use their medication as directed than women who took a birth control pill, according to a study published in the current issue of Contraception.
"It’s not always easy, but it is very important for women using any birth control pill to take it at the same time every day to prevent unplanned pregnancy," said Vanessa Cullins, M.D. FACOG. "What’s exciting is that this study shows that the birth control patch is convenient and simple to use, and may be a better birth control option for women."
Oral birth control pills must be taken consistently and correctly to be effective, however an estimated 15 percent of oral birth control users say it is difficult to do so with the Pill. Inconsistent or incorrect use, i.e., missing one or more pills per cycle, can increase the risk of unplanned pregnancy and lead to abnormal bleeding, which is the leading cause of unscheduled physician visits. In the study, previously published Phase III data were analyzed to further explore compliance differences between ORTHO EVRA and an oral contraceptive. These results showed that the percentage of cycles with "perfect dosing," a measure of correct dosing of a birth control method, was significantly higher with the patch (88.7 percent) than oral contraceptives (79.2 percent).
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DESY and MPSD scientists create high-order harmonics from solids with controlled polarization states, taking advantage of both crystal symmetry and attosecond electronic dynamics. The newly demonstrated technique might find intriguing applications in petahertz electronics and for spectroscopic studies of novel quantum materials.
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The Potsdam Echelle Polarimetric and Spectroscopic Instrument (PEPSI) at the Large Binocular Telescope (LBT) in Arizona released its first image of the surface magnetic field of another star. In a paper in the European journal Astronomy & Astrophysics, the PEPSI team presents a Zeeman- Doppler-Image of the surface of the magnetically active star II Pegasi.
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Researchers at Chalmers University of Technology and the University of Gothenburg, Sweden, have proposed a way to create a completely new source of radiation. Ultra-intense light pulses consist of the motion of a single wave and can be described as a tsunami of light. The strong wave can be used to study interactions between matter and light in a unique way. Their research is now published in the scientific journal Physical Review Letters.
"This source of radiation lets us look at reality through a new angle - it is like twisting a mirror and discovering something completely different," says...
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