Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
Log in via RCPCH
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
Basket
Search
More
Search for this keyword
Advanced search
Latest content
Current issue
Archive
For authors
Podcasts
About
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
For authors
Podcasts
About
Subscribe
Log in
More
Log in via Institution
Log in via OpenAthens
Log in via RCPCH
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
BMJ Journals
You are here
Home
Archive
Volume 67, Issue 2
Twin peaks, extramarital conceptions, and virgin births: is there a connection?
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Research Article
Twin peaks, extramarital conceptions, and virgin births: is there a connection?
Online download statistics by month:
Online download statistics by month: October 1999 to March 2024
Abstract
Full
Pdf
Oct 1999
1
0
0
Jan 2000
1
0
0
Mar 2000
2
0
0
May 2000
1
0
0
Oct 2000
2
0
0
Feb 2001
1
0
0
Jun 2001
1
0
0
Nov 2001
2
0
0
Feb 2002
1
0
0
Apr 2002
1
0
0
Nov 2002
7
0
0
Feb 2003
1
0
0
Mar 2003
1
0
0
Jul 2003
1
0
0
Aug 2003
1
0
0
Sep 2003
4
0
0
Oct 2003
3
0
0
Nov 2003
2
0
0
Dec 2003
2
0
0
Jan 2004
4
0
0
Feb 2004
2
0
0
Mar 2004
5
0
0
Apr 2004
2
0
0
May 2004
17
0
0
Jun 2004
24
0
0
Jul 2004
2
0
0
Aug 2004
2
0
0
Oct 2004
1
0
0
Nov 2004
1
0
0
Jan 2005
2
0
0
Mar 2005
1
0
0
Apr 2005
1
0
0
Jun 2005
1
0
0
Oct 2005
3
0
0
Nov 2005
2
0
0
Dec 2005
4
0
0
Mar 2006
1
0
0
Apr 2006
1
0
0
Nov 2006
2
0
0
Dec 2006
3
0
0
Jan 2007
1
0
0
Feb 2007
1
0
0
Mar 2007
3
0
0
Apr 2007
2
0
0
May 2007
1
0
0
Sep 2007
1
0
0
Oct 2007
2
0
0
Nov 2007
3
0
0
Dec 2007
2
0
0
Jan 2008
2
0
0
Mar 2008
1
0
0
May 2008
2
0
0
Jun 2008
7
0
0
Jul 2008
1
0
0
Sep 2008
3
0
0
Dec 2008
1
0
0
Jan 2009
1
0
1
Feb 2009
1
0
0
Mar 2009
1
0
0
Apr 2009
0
0
1
May 2009
1
0
0
Jun 2009
3
0
0
Jul 2009
2
0
0
Aug 2009
3
0
1
Sep 2009
5
0
0
Oct 2009
4
0
0
Nov 2009
0
0
1
Dec 2009
2
0
1
Jan 2010
2
0
1
Feb 2010
5
0
0
Mar 2010
1
0
0
Apr 2010
5
0
0
May 2010
1
0
0
Jun 2010
8
0
3
Jul 2010
6
0
2
Aug 2010
4
0
0
Sep 2010
1
0
0
Oct 2010
7
0
0
Nov 2010
11
0
0
Dec 2010
7
0
3
Jan 2011
9
0
0
Feb 2011
3
0
0
Mar 2011
4
0
1
Apr 2011
6
0
0
May 2011
3
0
0
Jun 2011
4
0
0
Jul 2011
5
0
1
Aug 2011
1
0
0
Sep 2011
2
0
0
Oct 2011
1
0
0
Nov 2011
4
0
1
Dec 2011
6
0
5
Jan 2012
3
0
1
Feb 2012
3
0
2
Mar 2012
6
0
3
Apr 2012
7
0
1
May 2012
3
0
1
Jun 2012
6
0
2
Jul 2012
14
0
1
Aug 2012
6
0
0
Sep 2012
6
0
0
Oct 2012
7
0
2
Nov 2012
8
0
3
Dec 2012
4
0
0
Jan 2013
4
0
2
Feb 2013
4
0
2
Mar 2013
4
0
1
Apr 2013
5
0
1
May 2013
8
0
2
Jun 2013
1
0
0
Jul 2013
2
0
0
Aug 2013
2
0
1
Sep 2013
7
0
0
Oct 2013
1
0
0
Nov 2013
2
0
0
Dec 2013
7
0
0
Feb 2014
3
0
0
Mar 2014
6
0
0
Apr 2014
5
0
2
May 2014
6
0
2
Jun 2014
2
0
0
Jul 2014
4
0
0
Aug 2014
2
0
0
Sep 2014
3
0
0
Nov 2014
2
0
0
Dec 2014
5
0
1
Jan 2015
0
0
1
Feb 2015
0
0
5
Mar 2015
6
0
1
Apr 2015
5
0
1
May 2015
1
0
4
Jun 2015
1
0
0
Jul 2015
3
0
3
Aug 2015
2
0
2
Sep 2015
2
0
0
Oct 2015
1
0
1
Nov 2015
1
0
1
Jan 2016
3
0
4
Mar 2016
0
0
5
Apr 2016
0
0
2
May 2016
1
0
1
Jun 2016
2
0
3
Jul 2016
2
0
2
Aug 2016
0
0
2
Sep 2016
9
0
2
Oct 2016
3
0
4
Nov 2016
2
0
1
Dec 2016
1
0
0
Jan 2017
2
0
0
Feb 2017
5
0
2
Mar 2017
6
0
3
Apr 2017
4
0
1
May 2017
7
0
3
Jun 2017
7
0
1
Jul 2017
8
0
2
Aug 2017
4
0
0
Sep 2017
8
0
1
Oct 2017
8
0
0
Nov 2017
10
0
0
Dec 2017
8
0
0
Jan 2018
14
0
0
Feb 2018
5
0
1
Mar 2018
24
0
0
Apr 2018
12
0
5
May 2018
14
0
1
Jun 2018
2
0
0
Jul 2018
54
0
1
Aug 2018
8
0
1
Sep 2018
8
0
0
Oct 2018
6
0
1
Nov 2018
6
0
2
Dec 2018
8
0
0
Jan 2019
8
0
1
Feb 2019
2
0
0
Mar 2019
6
0
3
Apr 2019
4
0
2
May 2019
6
0
3
Jun 2019
5
0
5
Jul 2019
4
0
3
Aug 2019
2
0
4
Sep 2019
2
0
1
Oct 2019
4
0
0
Nov 2019
5
0
3
Dec 2019
4
0
4
Jan 2020
4
0
5
Feb 2020
14
0
5
Mar 2020
0
0
2
Apr 2020
6
0
0
May 2020
10
0
1
Jun 2020
10
0
0
Jul 2020
12
0
3
Aug 2020
6
0
7
Sep 2020
16
0
0
Oct 2020
8
0
1
Nov 2020
7
0
5
Dec 2020
18
0
0
Jan 2021
13
0
6
Feb 2021
4
0
5
Mar 2021
7
0
2
Apr 2021
2
0
1
May 2021
1
0
5
Jun 2021
0
0
2
Jul 2021
0
0
3
Aug 2021
0
0
3
Sep 2021
0
0
2
Oct 2021
2
0
16
Nov 2021
6
0
10
Dec 2021
8
0
3
Jan 2022
6
0
2
Feb 2022
12
0
2
Mar 2022
12
0
1
Apr 2022
9
0
1
May 2022
34
0
6
Jun 2022
28
0
2
Jul 2022
19
0
2
Aug 2022
34
0
1
Sep 2022
30
0
8
Oct 2022
40
0
7
Nov 2022
10
0
2
Dec 2022
8
0
4
Jan 2023
8
0
3
Feb 2023
44
0
1
Mar 2023
2
0
1
Apr 2023
1
0
1
May 2023
4
0
4
Jun 2023
4
0
1
Jul 2023
8
0
4
Aug 2023
2
0
4
Sep 2023
2
0
2
Oct 2023
10
0
2
Nov 2023
6
0
0
Dec 2023
12
0
1
Jan 2024
4
0
0
Feb 2024
20
0
0
Mar 2024
39
0
0
Total
1333
0
300
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
Log in via RCPCH
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
PDF