2026-10-11T01:16:48Z https://api.figshare.com/v2/oai

oai:figshare.com:article/33974732 2026-09-23T17:21:58Z category_12 category_21 category_734 category_106 category_132 portal_5 item_type_3 month_year_09_2026

<p>Fecundability ratio (FR) by categories of intercourse frequency.</p> Kristina W. Dreiås (25098917) Liv G. Kvalvik (19919457) Mari L. Warp (25098920) Siri E. Håberg (9291193) Cecilia H. Ramlau-Hansen (16969505) Hans Ivar Hanevik (20451312) Cell Biology Biotechnology Biological Sciences not elsewhere classified Science Policy Infectious Diseases supplementary analyses accounting several supplementary analyses reported questionnaire data proportional probability regression four weeks leading 14 &# 8211 women &# 8217 64 193 women menstrual cycle regularity cycle specific probability study includes self 3 &# 8211 1 &# 8211 higher cycle probability 4 times weekly lower intercourse frequencies different intercourse frequencies child cohort study higher intercourse frequencies sexual intercourse frequency fecundability ratio 1 intercourse frequencies women trying higher chance analytic cohort fecundability ratio intercourse frequency xlink "> terpstra test reference group primarily evident pregnancy cohort per week norwegian mother education level clear differences additional covariates 8 months 7 months <p>Fecundability ratio (FR) by categories of intercourse frequency.</p> 2026-09-23T17:21:42Z Dataset Dataset 10.1371/journal.pone.0357286.t002 https://figshare.com/articles/dataset/_p_Fecundability_ratio_FR_by_categories_of_intercourse_frequency_p_/33974732 CC BY 4.0