PORTABLE PUMP MORE CONVENIENT, RAISES CHANCES OF PREGNANCY.Byline: Jacqueline Stenson Medical Tribune News Service Women who take fertility drugs to improve their chances of pregnancy must get a daily hormone shot, which their husband or partner can give them at home. But a new device may get those husbands off the hook - and raise the women's chances of getting pregnant, Japanese researchers report. The device is a portable infusion pump infusion pump A device designed to deliver drugs and/or 'biologicals', at low doses and at a constant or controllable rate; ↑ rates of delivery in such devices may be associated with local hemolysis, compromising the potential benefits of a calibrated delivery that is attached to the body, and delivers pulses of ovulation-inducing hormones through a small needle at one- to two-hour intervals. Unlike a once-a-day shot, the pump more closely mimics the body's normal release of hormones - known as gonadotropins - into the bloodstream, according to according to prep. 1. As stated or indicated by; on the authority of: according to historians. 2. In keeping with: according to instructions. 3. the researchers, led by Dr. Masao Jinno of Kyorin University in Tokyo. As a result, women who used the pump produced eggs that when fertilized fer·til·ize v. fer·til·ized, fer·til·iz·ing, fer·til·iz·es v.tr. 1. To cause the fertilization of (an ovum, for example). 2. , produced better-quality embryos, the researchers reported. Women planning to undergo in vitro fertilization in vitro fertilization (vē`trō, vĭ`trō), technique for conception of a human embryo outside the mother's body. Several ova, or eggs, are removed from the mother's body and placed in special laboratory culture dishes (Petri dishes); take the hormones to stimulate ovulation ovulation /ovu·la·tion/ (ov?u-la´shun) the discharge of a secondary oocyte from a graafian follicle.ov´ulatory o·vu·la·tion n. The discharge of an ovum from the ovary. . When eggs are produced, they are fertilized with sperm in the laboratory, and a resulting embryo is implanted in the woman's uterus. In the study of 88 women who had a history of unsuccessful in vitro fertilization (IVF IVF in vitro fertilization. IVF abbr. in vitro fertilization IVF 1 In vitro fertilization, see there 2. Intravascular fluid ) attempts, those given the hormones with the infusion pump had a higher pregnancy rate than those who received a daily hormone shot. Nearly 40 percent of the women in the pump group became pregnant, compared with 18 percent of women in the other group, according to the study, published in the February issue of the journal Fertility and Sterility. |
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