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Clinical study of the lactational amenorrhoea method for family planning.
Pérez A, Labbok MH, Queenan JT. Pérez A, et al. Lancet. 1992 Apr 18;339(8799):968-70. doi: 10.1016/0140-6736(92)91538-j. Lancet. 1992. PMID: 1348806
The effect of breastfeeding on fertility is well known; however, its use as a method of family planning was, until recently, untested. ...We have assessed this method in the context of a breastfeeding support intervention study of 422 middle-class women in urban San …
The effect of breastfeeding on fertility is well known; however, its use as a method of family planning was, until recently, untested …
Pregnancy complications in natural family planning users.
Mena P, Bitto A, Barbato M, Perez A, Gray RH, Simpson JL, Queenan JT, Kambic RT, Pardo F, Stevenson W, Tagliabue G, Jennings V, Li C. Mena P, et al. Adv Contracept. 1997 Jun-Sep;13(2-3):229-37. doi: 10.1023/a:1006560123036. Adv Contracept. 1997. PMID: 9288340 Clinical Trial.
A multicenter cohort study was designed to assess pregnancy outcome among natural family planning (NFP) users, and provide the opportunity to address complications in NFP users by planning status and by timing of conception with respect to day of ovulation. ...There was li
A multicenter cohort study was designed to assess pregnancy outcome among natural family planning (NFP) users, and provide the opport
The effect of breastfeeding promotion on the infertile postpartum period.
Perez A. Perez A. Int J Gynaecol Obstet. 1990;31 Suppl 1:29-30; discussion 43-5. Int J Gynaecol Obstet. 1990. PMID: 1972082
A new project is testing whether a breastfeeding promotion program will change breastfeeding behavior and the length of postpartum amenorrhea. ...The program consists of workshops, prenatal care, maternity ward postpartum care, early home visits, and a breast
A new project is testing whether a breastfeeding promotion program will change breastfeeding behavior and the length of postpa
The impact of a hospital and clinic-based breastfeeding promotion programme in a middle class urban environment.
Valdés V, Pérez A, Labbok M, Pugin E, Zambrano I, Catalan S. Valdés V, et al. J Trop Pediatr. 1993 Jun;39(3):142-51. doi: 10.1093/tropej/39.3.142. J Trop Pediatr. 1993. PMID: 8326533
Hospital interventions in support of breastfeeding have been highly successful in areas where the indigenous population has a well established environment of breastfeeding. ...This paper presents a prospective intervention study with a control group in which …
Hospital interventions in support of breastfeeding have been highly successful in areas where the indigenous population has a well es …
The efficacy of the lactational amenorrhea method (LAM) among working women.
Valdés V, Labbok MH, Pugin E, Perez A. Valdés V, et al. Contraception. 2000 Nov;62(5):217-9. doi: 10.1016/s0010-7824(00)00170-0. Contraception. 2000. PMID: 11172791 Clinical Trial.
LAM for working women, as described in this article, might be associated with a higher pregnancy risk than LAM use among non-working women. ...
LAM for working women, as described in this article, might be associated with a higher pregnancy risk than LAM use among non-working …
The effect of breastfeeding promotion on the infertile postpartum period.
Perez A. Perez A. Int J Gynaecol Obstet. 1990;31 Suppl 1:29-30. doi: 10.1016/0020-7292(90)90071-R. Int J Gynaecol Obstet. 1990. PMID: 29645131
A new project is testing whether a breastfeeding promotion program will change breastfeeding behavior and the length of postpartum amenorrhea. ...The program consists of workshops, prenatal care, maternity ward postpartum care, early home visits, and a breast
A new project is testing whether a breastfeeding promotion program will change breastfeeding behavior and the length of postpa
The Lactational Amenorrhea Method (LAM): a postpartum introductory family planning method with policy and program implications.
Labbok MH, Perez A, Valdes V, Sevilla F, Wade K, Laukaran VH, Cooney KA, Coly S, Sanders C, Queenan JT. Labbok MH, et al. Adv Contracept. 1994 Jun;10(2):93-109. doi: 10.1007/BF01978103. Adv Contracept. 1994. PMID: 7942265 Review.
On a population basis, breastfeeding may contribute more to birth spacing than all family planning use combined in many countries. ...A recent clinical trial confirmed the theoretical 98% or higher effectiveness of the method and field trials are demonstrating its a …
On a population basis, breastfeeding may contribute more to birth spacing than all family planning use combined in many countries. .. …
Use-effectiveness of the ovulation method initiated during postpartum breastfeeding.
Perez A, Labbok M, Barker D, Gray R. Perez A, et al. Contraception. 1988 Nov;38(5):499-508. doi: 10.1016/0010-7824(88)90154-0. Contraception. 1988. PMID: 3197417
The sample of 378 women who were practicing the method to avoid a pregnancy completed 4,935 months of use of the OM. The cumulative life table unplanned pregnancy rate at the 12th postpartum month was 11.1 +/- 1.9 and the Pearl Rate was 12.1 per 100 woman-years. ...The bre …
The sample of 378 women who were practicing the method to avoid a pregnancy completed 4,935 months of use of the OM. The cumulative l …
Efficacy studies in natural family planning: issues and management implications illustrated with data from five studies.
Labbok MH, Klaus H, Perez A. Labbok MH, et al. Am J Obstet Gynecol. 1991 Dec;165(6 Pt 2):2048-51. doi: 10.1016/s0002-9378(11)90579-1. Am J Obstet Gynecol. 1991. PMID: 1755468
The advantages are in its being a personalized indicator, easier to assess, and provides excellent time series data. It is not useful in comparing methods or programs. ...A common error is knowledgeable users do not follow the rules of the ovulation method and there …
The advantages are in its being a personalized indicator, easier to assess, and provides excellent time series data. It is not useful …
Santiago Breastfeeding Promotion Program: preliminary results of an intervention study.
Pérez A, Valdés V. Pérez A, et al. Am J Obstet Gynecol. 1991 Dec;165(6 Pt 2):2039-44. doi: 10.1016/s0002-9378(11)90576-6. Am J Obstet Gynecol. 1991. PMID: 1755466
A prospective intervention study was undertaken in Santiago, Chile, to assess the impact of a breastfeeding promotion program and the acceptance and use of the lactational amenorrhea method for natural child spacing. ...
A prospective intervention study was undertaken in Santiago, Chile, to assess the impact of a breastfeeding promotion program
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