Determinants of contraceptive method choice after first delivery, before first abortion, and after first abortion in east China.

abstract：:Abortion was attempted in 39 women in early pregnancy (less than 56 days amenorrhea) with the progesterone antagonist RU486 alone (150 mg per day for 4 days) or in combination with a PG analogue, 16,16-dimethyl-trans-delta 2-PGE1 (Gemeprost) in the form of a 1 mg vaginal pessary. Complete abortion was also attempted i...

journal_title：Contraception

authors： Cameron IT,Michie AF,Baird DT

更新日期：1986-11-01 00:00:00

abstract：:Roussel Uclaf in partnership with the INSERM unit of Prof. E.E. Baulieu first discovered mifepristone (RU486) as part of a large research program on steroidal compounds with antihormone properties. Exhibiting a strong affinity to the progesterone and the glucocorticoid receptors, mifepristone exerted competitive antag...

journal_title：Contraception

authors： Sitruk-Ware R,Spitz IM

更新日期：2003-12-01 00:00:00

abstract：:Subcutaneously administered implant-D containing 40 mg of Norethindrone acetate in a single silastic implant was offered to 79 subjects who desired spacing of their family. The effect of constant release of steroid from this device on metabolic and endocrine functions was studied. Each subject in the pretreatment stat...

journal_title：Contraception

authors： Shahani SM,Kulkarni PP,Bhate PA,Patel KL

更新日期：1979-02-01 00:00:00

abstract：:Information relating to the effect of steroids on the metabolism and motility of human spermatozoa is limited despite the increasing interest in the use of these hormones for the purpose of contraception. In the present study it was shown that progesterone, testosterone, and 11-beta-OH-progesterone significantly inhib...

journal_title：Contraception

authors： Trifunac NP,Bernstein GS

更新日期：1981-05-01 00:00:00

abstract：:The effect of alpha-chlorohydrin (3-chloropropan-1,2-diol) on the metabolism of D-[U-14C]-fructose and L-[U-14C]-lactate by washed boar sperm has been investigated. Whereas alpha-chlorohydrin at concentrations as low as 0.1 mM inhibited the metabolism of fructose and led to an increase in the utilization of endogenous...

journal_title：Contraception

authors： Hutton P,Dawson AG,Jones AR

更新日期：1980-11-01 00:00:00

abstract：:One-hundred-thirty of 178 women who received Norplant-2 implants were followed prospectively for 4 years. Menstrual disorders were the most common reason for discontinuation. Only one patient conceived, for a failure rate of 0.6%. ...

journal_title：Contraception

authors： Qin LH,Goldberg JM,Hao G

更新日期：2001-11-01 00:00:00

abstract：:This communication is to report the effects of gossypol on the synthesis of chromosomal basic proteins in the spermiogenic cells. A double-labelling experiment has been performed. The control rats received 14C-arginine, whereas the gossypol-treated rats received a 3H-arginine injection. An equal volume of the tissues ...

journal_title：Contraception

authors： Teng CS,Fei RR

更新日期：1988-03-01 00:00:00

abstract：:Monthly injectable contraceptives, containing a combination of a long-acting progestogen and an estrogen, have been used in Latin America and China for many years. While knowledge about the effects of other hormonal contraceptives on cancer risk is relevant, close analogies with monthly injectables cannot be made. The...

journal_title：Contraception

authors： Skegg DC

更新日期：1994-05-01 00:00:00

abstract：BACKGROUND:Previous studies indicate that the sexual beliefs and mores of students in medical professions may influence their capacity to care for patients' sexuality and contraception issues. Students also represent a large sample of reproductive-age individuals. In this study, we examined contraceptive usage patterns...

journal_title：Contraception

authors： Rowen TS,Smith JF,Eisenberg ML,Breyer BN,Drey EA,Shindel AW

更新日期：2011-05-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to assess the presence of ovarian cysts in women using a new low-dose levonorgestrel-releasing intrauterine contraceptive system (LNG-IUS 13.5mg [total content]). STUDY DESIGN:A Phase 3 study assessed LNG-IUS 13.5mg use in healthy women with regular menstrual cycles who requested co...

journal_title：Contraception

authors： Nahum GG,Kaunitz AM,Rosen K,Schmelter T,Lynen R

更新日期：2015-05-01 00:00:00

abstract：:Sixteen proteinase inhibitors were tested for their ability to compete with the natural seminal inhibitor for binding to the surface of murine epididymal sperm. The most effective competitors, 4-methylumbelliferyl-p-quanidinobenzoate (MUGB) and p-nitrophenyl-p-guanidinobenzoate (NPGB), are also effective inhibitors of...

journal_title：Contraception

authors： Aarons D,Robinson R,Richardson R,Poirier GR

更新日期：1985-02-01 00:00:00

abstract：:Comparative phase I clinical trials were carried out in 5 centres with three formulations of beta-hCG-based vaccines inducing antibodies against human chorionic gonadotropin. The objectives of these trials were to determine their relative immunogenicity, duration, reversibility and safety. A total of 116 tubal ligated...

journal_title：Contraception

authors： Talwar GP,Hingorani V,Kumar S,Roy S,Banerjee A,Shahani SM,Krishna U,Dhall K,Sawhney H,Sharma NC

更新日期：1990-03-01 00:00:00

abstract：OBJECTIVE:To demonstrate the feasibility and safety of training midlevel healthcare providers (midwives and family nurses) to provide medical abortion and postabortion contraception in underserved areas in Kyrgyzstan. STUDY DESIGN:This was an implementation study at four referral facilities and 28 Felsher Obstetric Po...

journal_title：Contraception

authors： Johnson BR Jr,Maksutova E,Boobekova A,Davletova A,Kazakbaeva C,Kondrateva Y,Landoulsi S,Lazdane G,Monolbaev K,Seuc Jo AH

更新日期：2018-02-01 00:00:00

abstract：BACKGROUND:The study was conducted to compare lost to follow-up (LTFU) rates in women having a medical abortion who chose follow-up by in-office ultrasound assessment or serum beta human chorionic gonadotropin (β-hCG) testing. METHODS:This retrospective chart review included 865 women who underwent medical abortion in...

journal_title：Contraception

authors： Horning EL,Chen BA,Meyn LA,Creinin MD

更新日期：2012-04-01 00:00:00

abstract：:A single intratesticular injection of TEPA or Thio-TEPA induced a period of infertility lasting 1-2 months. Restoration of fertility was characterized by a reduction of the litter size resulting from the first inpregnation post-treatment. There was no evidence of tissue pathogenesis 6-12 months after treatment. ...

journal_title：Contraception

authors： Howe GR,Steward R

更新日期：1980-08-01 00:00:00

abstract：:Levels of contraceptive steroids in breast milk and plasma of lactating women were investigated. 7 lactating women received 150 mg medroxyprogesterone acetate (MPA) 1 week after delivery. 5 women (lactating) took 350 mcg norethisterone (NET) and 2 took 150 mcg d-norgestrel (d-ng) + 30 mcg ethinyl estradiol. Milk an...

journal_title：Contraception

authors： Saxena BN,Shrimanker K,Grudzinskas JG

更新日期：1977-12-01 00:00:00

abstract：:California is home to more than one out of eight American women of reproductive age. Because California has a large, diverse and growing population, national statistics do not necessarily describe the reproductive health of California women. This article presents risk for pregnancy and sexually transmitted infections ...

journal_title：Contraception

authors： Foster DG,Bley J,Mikanda J,Induni M,Arons A,Baumrind N,Darney PD,Stewart F

更新日期：2004-07-01 00:00:00

abstract：:Methotrexate (50 mg/m2 intramuscularly and 50 mg orally) followed by vaginal misoprostol have proven to be > 90% effective at causing abortion in women at less than 49 days' gestation. Although the effectiveness of the oral dose (which has a lower serum bioavailability) demonstrates that a methotrexate dose of 50 mg/m...

journal_title：Contraception

authors： Creinin MD

更新日期：1997-12-01 00:00:00

abstract：BACKGROUND:This study was conducted to determine the effects of the monophasic oral contraceptive (OC) containing 30 mcg ethinylestradiol (EE) and 3 mg drospirenone (DRSP) on the nasal respiratory epithelium in premenopausal women. STUDY DESIGN:Fifty premenopausal women participated in the prospective study. Baseline ...

journal_title：Contraception

authors： Caruso S,Serra A,Grillo C,Agnello C,Di Mari L,Cianci A

更新日期：2008-05-01 00:00:00

abstract：:Saponins isolated from Sapindus mukorossi have potent spermicidal activity. Morphological changes in human ejaculated spermatozoa after exposure to these saponins were evaluated under Scanning Electron Microscope. The minimum effective concentration (0.05% in spot test) did not affect the surface topography after expo...

journal_title：Contraception

authors： Dhar JD,Bajpai VK,Setty BS,Kamboj VP

更新日期：1989-05-01 00:00:00

abstract：:The study was conducted to profile women seeking abortions at the National University Hospital, with particular interest in the trend of teenage pregnancies with the aim of identifying risk factors for late presentation for abortions. All patients who underwent an abortion at our center from January 1, 1996 to Decembe...

journal_title：Contraception

authors： Singh K,Fong YF,Loh SY

更新日期：2002-07-01 00:00:00

abstract：OBJECTIVE:To understand teen birth trends in Georgia by racial and geographic factors. STUDY DESIGN:We analyzed overall birth and repeat teen birth rates by race, urban/rural status and adequacy of obstetric care from 2008 to 2016 using vital records from all Georgia counties. RESULTS:Overall birth rates among teens ...

journal_title：Contraception

authors： Nandi P,Kramer M,Kottke M

更新日期：2019-03-01 00:00:00

abstract：:Adult female rats were given a single, subcutaneous injection of 8, 16 or 32 micrograms of levonorgestrel (LNG). Blood samples were collected at various time intervals and serum concentrations of LNG were determined by radioimmunoassay. The patterns of temporal decline in LNG concentrations in the three dose groups in...

journal_title：Contraception

authors： Naqvi RH,Mitra SB,Lindberg MC

更新日期：1984-12-01 00:00:00

abstract：INTRODUCTION:The relationship between the source of sexual information and adolescent sexual behavior is not well understood. MATERIALS AND METHODS:As part of a larger study, 892 sexually active female adolescents between 15 and 18 years of age completed a paper-and-pencil survey which assessed discussions about sexua...

journal_title：Contraception

authors： Berenson AB,Wu ZH,Breitkopf CR,Newman J

更新日期：2006-03-01 00:00:00

abstract：OBJECTIVES:Jordan has a robust contraceptive method mix in both the public and private sectors and oral contraceptive pills and the copper-T intrauterine device are widely available. However, Jordan remains one of only a few countries in the world without a registered dedicated product for emergency contraception (EC)....

journal_title：Contraception

authors： El-Mowafi IM,Foster AM

更新日期：2020-04-01 00:00:00

abstract：OBJECTIVE:This study compared adherence to follow-up and clinical outcomes between standard in-clinic and remote follow-up after methotrexate/misoprostol abortion. STUDY DESIGN:This nonrandomized trial recruited women requesting medical abortion at two sexual health clinics in Toronto, Canada. Women received methotrex...

journal_title：Contraception

authors： Dunn S,Panjwani D,Gupta M,Meaney C,Morgan R,Feuerstein E

更新日期：2015-09-01 00:00:00

abstract：:This study was undertaken with a view to investigate the possible mechanism(s) of antifertility action of gossypol acetate in rats and hamsters. Adult male rats were treated by gavage with 30 mg/kg/day of gossypol for 7 weeks and adult male hamsters were treated similarly with 20 mg/kg/day gossypol for 8 weeks. The tr...

journal_title：Contraception

authors： Srivastava A,Gupta G,Setty BS

更新日期：1989-03-01 00:00:00

abstract：OBJECTIVES:The Natural Cycles application is a fertility awareness-based contraceptive method that uses dates of menstruation and basal body temperature to inform couples whether protected intercourse is needed to prevent pregnancies. Our purpose with this study is to investigate the contraceptive efficacy of the mobil...

journal_title：Contraception

authors： Berglund Scherwitzl E,Lundberg O,Kopp Kallner H,Gemzell Danielsson K,Trussell J,Scherwitzl R

更新日期：2017-12-01 00:00:00

abstract：:A long-term follow-up study compared development and health of 128 breast-fed children whose mothers had received depot-medroxyprogesterone acetate (depot-MPA) while lactating and 142 control children whose mothers had used mechanical contraceptives or no contraceptives or had undergone sterilization. The children, wh...

journal_title：Contraception

authors： Jimenez J,Ochoa M,Soler MP,Portales P

更新日期：1984-12-01 00:00:00

abstract：BACKGROUND:Developing an objective, reliable method to determine semen exposure in cervicovaginal fluids is important for accurately studying the efficacy of vaginal microbicides and contraceptives. Y-chromosome biomarkers offer better stability, sensitivity, and specificity than protein biomarkers. TSPY4 belongs to th...

journal_title：Contraception

authors： Jacot TA,Zalenskaya I,Mauck C,Archer DF,Doncel GF

更新日期：2013-09-01 00:00:00