Skip to main content
Log in

Comments on: “A Systematic Review and Meta‑analysis of the Adverse Effects of Levonorgestrel Emergency Oral Contraceptive”

  • Letter to the Editor
  • Published:
Clinical Drug Investigation Aims and scope Submit manuscript

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

References

  1. Leelakanok N, Methaneethorn J. A systematic review and meta-analysis of the adverse effects of levonorgestrel emergency oral contraceptive. Clin Drug Investig. 2020. https://doi.org/10.1007/s40261-020-00901-x.

    Article  PubMed  Google Scholar 

  2. Li C, Zhao W-H, Meng C-X, Ping H, Qin G-J, et al. Contraceptive use and the risk of ectopic pregnancy: a multi-center case–control study. PLoS One. 2014;9(12):e115031. https://doi.org/10.1371/2Fjournal.pone.0115031.

    Article  PubMed  PubMed Central  Google Scholar 

  3. Haeger KO, Lamme J, Cleland K. State of emergency contraception in the US, 2018. Contracept Reprod Med. 2018;3(1):20. https://doi.org/10.1186/s40834-018-0067-8.

    Article  PubMed  PubMed Central  Google Scholar 

  4. Cahill EP, Blumenthal PD. Pericoital contraception. Curr Opin Obstet Gynecol. 2018;30(6):400–6. https://doi.org/10.1097/GCO.0000000000000491.

    Article  PubMed  Google Scholar 

  5. Zhao W, Zhu Q, Yan M, Li C, Yuan J, Qin G, Zhang J. Levonorgestrel decreases cilia beat frequency of human fallopian tubes and rat oviducts without changing morphological structure. Clin Exp Pharmacol Physiol. 2015;42:171–8. https://doi.org/10.1111/1440-1681.12337.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  6. Shaw JLV, Dey SK, Critchley HOD, Horne AW. Current knowledge of the aetiology of human tubal ectopic pregnancy. Hum Reprod Update. 2010;16(4):432–44. https://doi.org/10.1093/humupd/dmp057.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Maxine Gossell-Williams.

Ethics declarations

Funding

The authors declare that no sources of funding were obtained for this letter.

Conflict of interest

The authors declare that there are no conflicts of interests to disclose.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Ramnath, R., Gossell-Williams, M. Comments on: “A Systematic Review and Meta‑analysis of the Adverse Effects of Levonorgestrel Emergency Oral Contraceptive”. Clin Drug Investig 40, 589–590 (2020). https://doi.org/10.1007/s40261-020-00919-1

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s40261-020-00919-1

Navigation