The Authors Respond

Affiliations

¹ Section of Biostatistics, Department of Public Health Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark.
² Department of Sexual and Reproductive Health and Research (SRH), World Health Organization, Geneva, Switzerland.
³ Section of Biostatistics, Department of Public Health, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark.
⁴ Reproductive Medicine Unit Stellenbosch University/Tygerberg, Academic Hospital, Cape Town, South Africa.
⁵ Department of Sexual and Reproductive, Health and Research (SRH), World Health Organization, Geneva, Switzerland.

Comment

Niels Keiding et al. Epidemiology. 2021.

. 2021 Sep 1;32(5):e17-e20.

doi: 10.1097/EDE.0000000000001371.

¹ Section of Biostatistics, Department of Public Health Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark.
² Department of Sexual and Reproductive Health and Research (SRH), World Health Organization, Geneva, Switzerland.
³ Section of Biostatistics, Department of Public Health, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark.
⁴ Reproductive Medicine Unit Stellenbosch University/Tygerberg, Academic Hospital, Cape Town, South Africa.
⁵ Department of Sexual and Reproductive, Health and Research (SRH), World Health Organization, Geneva, Switzerland.

No abstract available

Conflict of interest statement

The authors report no conflicts of interest.

The Use of Time to Pregnancy for Estimating and Monitoring Human Fecundity From Demographic and Health Surveys.
Keiding N, Ali MM, Eriksson F, Matsaseng T, Toskin I, Kiarie J. Keiding N, et al. Epidemiology. 2021 Jan;32(1):27-35. doi: 10.1097/EDE.0000000000001296. Epidemiology. 2021. PMID: 33259462 Free PMC article.
Re: The Use of Time to Pregnancy for Estimating and Monitoring Human Fecundity From Demographic and Health Surveys.
Polis CB, Cox CM, Tunçalp Ö, McLain AC, Thoma ME. Polis CB, et al. Epidemiology. 2021 Sep 1;32(5):e16-e17. doi: 10.1097/EDE.0000000000001368. Epidemiology. 2021. PMID: 34039895 No abstract available.

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1. Polis CB, Cox CM, Tunçalp Ö, McLain AC, Thoma ME. Estimating infertility prevalence in low-to-middle-income countries: an application of a current duration approach to Demographic and Health Survey data. Hum Reprod. 2017;32:1064–1074.
1. Polis CB, Cox CM, Tunçalp Ö, McLain AC, Thoma ME. Re.: The use of time to pregnancy for estimating and monitoring human fecundity from Demographic and Health Surveys. Epidemiology 2021;32:e16.
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