Simpson JL - Search Results

1

Sex ratio associated with timing of insemination and length of the follicular phase in planned and unplanned pregnancies during use of natural family planning.

Gray RH, Simpson JL, Bitto AC, Queenan JT, Li C, Kambic RT, Perez A, Mena P, Barbato M, Stevenson W, Jennings V. Gray RH, et al. Among authors: simpson jl. Hum Reprod. 1998 May;13(5):1397-400. doi: 10.1093/humrep/13.5.1397. Hum Reprod. 1998. PMID: 9647580

2

Outcome of pregnancy in users of natural family planning.

Kambic R, Gray RH, Simpson JL. Kambic R, et al. Among authors: simpson jl. Suppl Int J Gynecol Obstet. 1989;1:99-110. Suppl Int J Gynecol Obstet. 1989. PMID: 2679679 Review. No abstract available.

3

Timing of conception and the risk of spontaneous abortion among pregnancies occurring during the use of natural family planning.

Gray RH, Simpson JL, Kambic RT, Queenan JT, Mena P, Perez A, Barbato M. Gray RH, et al. Among authors: simpson jl. Am J Obstet Gynecol. 1995 May;172(5):1567-72. doi: 10.1016/0002-9378(95)90498-0. Am J Obstet Gynecol. 1995. PMID: 7755073

4

Timing of intercourse.

Simpson JL, Gray RH, Queenan JT, Mena P, Perez A, Kambic RT, Pardo F, Barbato M, Spieler J. Simpson JL, et al. Hum Reprod. 1995 Aug;10(8):2176-7. doi: 10.1093/oxfordjournals.humrep.a136262. Hum Reprod. 1995. PMID: 8567867 No abstract available.

5

Adverse outcomes of planned and unplanned pregnancies among users of natural family planning: a prospective study.

Bitto A, Gray RH, Simpson JL, Queenan JT, Kambic RT, Perez A, Mena P, Barbato M, Li C, Jennings V. Bitto A, et al. Among authors: simpson jl. Am J Public Health. 1997 Mar;87(3):338-43. doi: 10.2105/ajph.87.3.338. Am J Public Health. 1997. PMID: 9096531 Free PMC article.

6

Fetal outcome among pregnancies in natural family planning acceptors: an international cohort study.

Simpson JL, Gray RH, Queenan JT, Kambic RT, Pérez A, Mena P, Barbato M, Pardo F, Tagliabue G, Bitto A, et al. Simpson JL, et al. Am J Obstet Gynecol. 1991 Dec;165(6 Pt 2):1981-2. doi: 10.1016/s0002-9378(11)90557-2. Am J Obstet Gynecol. 1991. PMID: 1755452

7

Pregnancy outcome associated with natural family planning (NFP): scientific basis and experimental design for an international cohort study.

Simpson JL, Gray RH, Queenan JT, Mena P, Perez A, Kambic RT, Tagliabue G, Pardo F, Stevenson WS, Barbato M, et al. Simpson JL, et al. Adv Contracept. 1988 Dec;4(4):247-64. doi: 10.1007/BF01849266. Adv Contracept. 1988. PMID: 3075423 Review.

8

Further evidence that infection is an infrequent cause of first trimester spontaneous abortion.

Simpson JL, Gray RH, Queenan JT, Barbato M, Perez A, Mena P, Kambic RT, Pardo F, Stevenson W, Li C, Jennings V. Simpson JL, et al. Hum Reprod. 1996 Sep;11(9):2058-60. doi: 10.1093/oxfordjournals.humrep.a019543. Hum Reprod. 1996. PMID: 8921090

9

Pregnancy outcome in natural family planning users: cohort and case-control studies evaluating safety.

Simpson JL, Gray RH, Perez A, Mena P, Barbato M, Castilla EE, Kambic RT, Pardo F, Tagliabue G, Stephenson WS, Bitto A, Li C, Jennings VH, Spieler JM, Queenan JT. Simpson JL, et al. Adv Contracept. 1997 Jun-Sep;13(2-3):201-14. doi: 10.1023/a:1006556022127. Adv Contracept. 1997. PMID: 9288338 Review.

10

Effects of timing of conception on birth weight and preterm delivery of natural family planning users.

Barbato M, Bitto A, Gray RH, Simpson JL, Queenan JT, Kambic RT, Perez A, Mena P, Pardo F, Stevenson W, Tagliabue G, Jennings V, Li C. Barbato M, et al. Among authors: simpson jl. Adv Contracept. 1997 Jun-Sep;13(2-3):215-28. doi: 10.1023/a:1006508106197. Adv Contracept. 1997. PMID: 9288339

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