Corrections The timing of the “fertile window” in the menstrual cycle: day specific estimates from a prospective study BMJ 2001; 322 doi: (Published 06 January 2001) Cite this as: BMJ 2001;322:28 Article Related content Metrics Responses Peer review Article usage Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day. Usage statistics: July 2003 to June 2021Rendering graph... AbstractFullPdf Jul 20030220 Aug 20030320 Sep 20030260 Oct 20030100 Nov 20030140 Dec 20030240 Jan 20040200 Feb 20040140 Mar 20040201 Apr 20040190 May 20040220 Jun 20040190 Jul 20040280 Aug 20040290 Sep 20041261 Oct 20040140 Nov 20040220 Dec 20040680 Jan 20050210 Feb 20050110 Mar 20050110 Apr 2005050 May 2005030 Jun 2005090 Jul 20050110 Aug 20050202 Sep 20050170 Oct 20050220 Nov 20050180 Dec 2005090 Jan 20060160 Feb 2006090 Mar 2006070 Apr 2006090 May 20060103 Jun 2006070 Jul 2006040 Aug 20060100 Sep 20060110 Oct 2006060 Nov 20060132 Dec 2006050 Jan 20070150 Feb 2007060 Mar 2007020 Apr 2007050 May 2007060 Jun 2007020 Jul 2007060 Aug 2007070 Sep 2007080 Oct 2007050 Nov 2007080 Dec 2007010 Jan 2008080 Feb 2008070 Mar 2008050 Apr 2008070 May 2008060 Jun 2008070 Jul 2008040 Aug 2008080 Sep 20080110 Oct 20080110 Nov 2008080 Dec 20080140 Jan 2009070 Feb 2009070 Mar 2009090 Apr 2009040 May 20090100 Jun 2009090 Jul 20090140 Aug 20090120 Sep 2009090 Oct 20090160 Nov 2009020 Dec 2009040 Jan 20100120 Feb 2010080 Mar 2010030 Apr 2010030 May 2010030 Jun 2010060 Jul 2010070 Aug 20100100 Sep 201010110 Oct 201033370 Nov 201037250 Dec 201014100 Jan 201127220 Feb 201114150 Mar 201128170 Apr 201117170 May 201114240 Jun 201122380 Jul 201123160 Aug 201120200 Sep 201123220 Oct 201130240 Nov 201120370 Dec 20110480 Jan 20120570 Feb 20120300 Mar 20120240 Apr 20120320 May 20120300 Jun 20120270 Jul 20121290 Aug 20120160 Sep 20120400 Oct 20120340 Nov 20120450 Dec 20120370 Jan 20130460 Feb 20130180 Mar 20130340 Apr 20130390 May 20130650 Jun 20130960 Jul 20130790 Aug 20130710 Sep 20130820 Oct 20130770 Nov 201301040 Dec 20130840 Jan 20140720 Feb 20140720 Mar 20140590 Apr 20140530 May 20140620 Jun 20140330 Jul 20140250 Aug 20140200 Sep 20140260 Oct 20140140 Nov 20140160 Dec 20140300 Jan 20150190 Feb 20150280 Mar 20150290 Apr 20150350 May 20150170 Jun 20150230 Jul 20150200 Aug 20150180 Sep 20150330 Oct 20150190 Nov 20150490 Dec 20150220 Jan 20160310 Feb 20160290 Mar 20161170 Apr 20161240 May 20161190 Jun 20163280 Jul 20160130 Aug 20162170 Sep 201606233 Oct 20162280 Nov 20163180 Dec 20163250 Jan 20173250 Feb 20170280 Mar 20170340 Apr 20170340 May 20170280 Jun 20170330 Jul 20170300 Aug 20170280 Sep 20170230 Oct 20170430 Nov 20170420 Dec 20170210 Jan 20180280 Feb 20180260 Mar 20180250 Apr 20180230 May 20182380 Jun 20183300 Jul 20182180 Aug 20184370 Sep 20180190 Oct 20180170 Nov 20181170 Dec 20182320 Jan 20193350 Feb 20193230 Mar 20191100 Apr 20194340 May 20192170 Jun 20193170 Jul 20194330 Aug 20196750 Sep 20191410 Oct 20192510 Nov 20197600 Dec 20196690 Jan 20206910 Feb 20202610 Mar 20200390 Apr 20203600 May 202011050 Jun 20201570 Jul 20203360 Aug 20202410 Sep 20200220 Oct 20208520 Nov 20202310 Dec 20200310 Jan 20211390 Feb 20211210 Mar 20211470 Apr 20212380 May 20214510 Jun 20211150 Total447568042
