Copper intrauterine device placement 6–14 days after unprotected sex

I. Thompson, Jessica N. Sanders, E. Bimla Schwarz, Christy M Boraas, David K. Turok

Research output: Contribution to journalArticle

Abstract

Objective: To evaluate pregnancy risk following copper (CuT380A) intrauterine device (IUD) placement 6–14 days after unprotected intercourse. Study design: We used a combined dataset from four protocols in which participants had received a CuT380A IUD regardless of recent unprotected intercourse. At entry, participants had negative point of care urine pregnancy testing and reported all acts of unprotected intercourse in the two weeks prior to IUD placement. We identified a subset of women who had placement 6–14 days after unprotected intercourse and provided follow-up information on pregnancy status 2–4 weeks after IUD insertion. This follow-up within the four protocols included self -administered home urine pregnancy test (UPT) results 2–4 weeks after IUD placement or continued contact for up to 6 months. Results: We identified 134 women who had a CuT380A IUD placed 6–14 days after unprotected intercourse and provided follow-up information on pregnancy status. Ninety-five (71%) participants reported UPT results 2–4 weeks after placement and the other 39 women were followed for 6 months after IUD placement to assess pregnancy status. Zero (97.5% CI 0–2.7%) participants reported a pregnancy within four weeks of CuT380A IUD placement. Conclusion: In these collected data, no women with recent unprotected intercourse became pregnant within 1 month of CuT380A IUD placement. Implication: These data indicate a low likelihood of pregnancy among women who reported unprotected intercourse 6–14 days preceding IUD insertion. For many women and their providers, these data may be sufficient to support same-day placement of a copper IUD rather than delaying IUD placement until the next menses.

Original languageEnglish (US)
Pages (from-to)219-221
Number of pages3
JournalContraception
Volume100
Issue number3
DOIs
StatePublished - Sep 1 2019

Fingerprint

Copper Intrauterine Devices
Unsafe Sex
Intrauterine Devices
Pregnancy
Pregnancy Tests
Urine
Point-of-Care Systems
Menstruation

Keywords

  • Copper IUD
  • Pregnancy
  • Pregnancy rate
  • Unprotected intercourse

Cite this

Copper intrauterine device placement 6–14 days after unprotected sex. / Thompson, I.; Sanders, Jessica N.; Schwarz, E. Bimla; Boraas, Christy M; Turok, David K.

In: Contraception, Vol. 100, No. 3, 01.09.2019, p. 219-221.

Research output: Contribution to journalArticle

Thompson, I. ; Sanders, Jessica N. ; Schwarz, E. Bimla ; Boraas, Christy M ; Turok, David K. / Copper intrauterine device placement 6–14 days after unprotected sex. In: Contraception. 2019 ; Vol. 100, No. 3. pp. 219-221.
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abstract = "Objective: To evaluate pregnancy risk following copper (CuT380A) intrauterine device (IUD) placement 6–14 days after unprotected intercourse. Study design: We used a combined dataset from four protocols in which participants had received a CuT380A IUD regardless of recent unprotected intercourse. At entry, participants had negative point of care urine pregnancy testing and reported all acts of unprotected intercourse in the two weeks prior to IUD placement. We identified a subset of women who had placement 6–14 days after unprotected intercourse and provided follow-up information on pregnancy status 2–4 weeks after IUD insertion. This follow-up within the four protocols included self -administered home urine pregnancy test (UPT) results 2–4 weeks after IUD placement or continued contact for up to 6 months. Results: We identified 134 women who had a CuT380A IUD placed 6–14 days after unprotected intercourse and provided follow-up information on pregnancy status. Ninety-five (71{\%}) participants reported UPT results 2–4 weeks after placement and the other 39 women were followed for 6 months after IUD placement to assess pregnancy status. Zero (97.5{\%} CI 0–2.7{\%}) participants reported a pregnancy within four weeks of CuT380A IUD placement. Conclusion: In these collected data, no women with recent unprotected intercourse became pregnant within 1 month of CuT380A IUD placement. Implication: These data indicate a low likelihood of pregnancy among women who reported unprotected intercourse 6–14 days preceding IUD insertion. For many women and their providers, these data may be sufficient to support same-day placement of a copper IUD rather than delaying IUD placement until the next menses.",
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