Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
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
Authors
About
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
Authors
About
Subscribe
Log in
More
Log in via Institution
Log in via OpenAthens
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 38, Issue 1
Epidemiology of pregnancies with unknown last menstrual period.
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Research Article
Epidemiology of pregnancies with unknown last menstrual period.
Online download statistics by month:
Online download statistics by month: November 2000 to March 2024
Abstract
Full
Pdf
Nov 2000
1
0
0
Apr 2001
1
0
0
May 2001
2
0
0
Jan 2002
2
0
0
Nov 2002
1
0
0
Jul 2003
2
0
0
Aug 2003
5
0
0
Sep 2003
3
0
0
Oct 2003
3
0
0
Nov 2003
3
0
0
Dec 2003
4
0
0
Jan 2004
4
0
0
Feb 2004
2
0
0
Mar 2004
6
0
0
Apr 2004
9
0
0
May 2004
6
0
0
Jun 2004
9
0
0
Jul 2004
13
0
0
Aug 2004
6
0
0
Sep 2004
7
0
0
Oct 2004
10
0
0
Nov 2004
7
0
0
Dec 2004
6
0
0
Jan 2005
12
0
0
Feb 2005
3
0
0
Mar 2005
8
0
0
Apr 2005
8
0
0
May 2005
2
0
0
Jun 2005
2
0
0
Jul 2005
4
0
0
Aug 2005
4
0
0
Sep 2005
2
0
0
Oct 2005
14
0
0
Nov 2005
4
0
0
Dec 2005
41
0
0
Jan 2006
196
0
0
Feb 2006
62
0
0
Mar 2006
24
0
0
Apr 2006
126
0
0
May 2006
24
0
0
Jun 2006
21
0
0
Jul 2006
306
0
0
Aug 2006
482
0
0
Sep 2006
244
0
0
Oct 2006
166
0
0
Nov 2006
37
0
0
Dec 2006
15
0
0
Jan 2007
1
0
0
Feb 2007
17
0
0
Mar 2007
10
0
0
Apr 2007
12
0
0
May 2007
139
0
0
Jun 2007
4
0
0
Jul 2007
10
0
0
Aug 2007
3
0
0
Sep 2007
3
0
0
Oct 2007
3
0
0
Nov 2007
7
0
0
Dec 2007
2
0
0
Jan 2008
6
0
0
Feb 2008
10
0
0
Mar 2008
1
0
0
Apr 2008
6
0
0
May 2008
7
0
0
Jun 2008
6
0
0
Jul 2008
5
0
0
Aug 2008
9
0
0
Sep 2008
9
0
0
Oct 2008
11
0
0
Nov 2008
4
0
0
Dec 2008
8
0
0
Jan 2009
19
0
5
Feb 2009
4
0
4
Mar 2009
7
0
1
Apr 2009
4
0
2
May 2009
5
0
15
Jun 2009
9
0
1
Jul 2009
6
0
0
Aug 2009
7
0
0
Sep 2009
3
0
0
Oct 2009
3
0
2
Nov 2009
3
0
1
Dec 2009
6
0
2
Jan 2010
2
0
1
Feb 2010
7
0
1
Mar 2010
6
0
3
Apr 2010
4
0
0
May 2010
6
0
0
Jun 2010
5
0
2
Jul 2010
5
0
2
Aug 2010
3
0
0
Sep 2010
5
0
1
Oct 2010
4
0
0
Nov 2010
3
0
0
Dec 2010
3
0
0
Jan 2011
2
0
0
Feb 2011
6
0
1
Mar 2011
7
0
0
Apr 2011
7
0
3
May 2011
4
0
0
Jun 2011
7
0
0
Jul 2011
7
0
0
Aug 2011
9
0
0
Sep 2011
18
0
0
Oct 2011
18
0
2
Nov 2011
20
0
7
Dec 2011
12
0
6
Jan 2012
6
0
8
Feb 2012
5
0
4
Mar 2012
12
0
8
Apr 2012
9
0
6
May 2012
6
0
9
Jun 2012
2
0
6
Jul 2012
3
0
4
Aug 2012
3
0
4
Sep 2012
10
0
5
Oct 2012
26
0
12
Nov 2012
10
0
8
Dec 2012
21
0
6
Jan 2013
42
0
7
Feb 2013
28
0
8
Mar 2013
32
0
10
Apr 2013
45
0
6
May 2013
47
0
3
Jun 2013
13
0
8
Jul 2013
6
0
7
Aug 2013
13
0
3
Sep 2013
1
0
10
Oct 2013
2
0
5
Nov 2013
3
0
1
Dec 2013
3
0
12
Jan 2014
3
0
5
Feb 2014
3
0
2
Mar 2014
14
0
3
Apr 2014
14
0
5
May 2014
8
1
5
Jun 2014
3
0
8
Jul 2014
7
1
2
Aug 2014
4
1
1
Sep 2014
2
1
4
Oct 2014
7
1
5
Nov 2014
11
1
5
Dec 2014
6
0
3
Jan 2015
5
0
0
Feb 2015
1
0
9
Mar 2015
4
0
2
Apr 2015
8
0
6
May 2015
5
0
2
Jun 2015
0
0
2
Jul 2015
4
0
0
Aug 2015
9
0
0
Sep 2015
9
0
5
Oct 2015
5
0
5
Nov 2015
2
0
0
Dec 2015
8
0
1
Jan 2016
4
0
3
Feb 2016
0
0
2
Mar 2016
1
0
7
Apr 2016
2
0
2
May 2016
59
0
3
Jun 2016
5
0
0
Jul 2016
3
0
3
Aug 2016
2
0
1
Sep 2016
3
0
1
Oct 2016
9
0
5
Nov 2016
6
0
0
Dec 2016
1
0
0
Jan 2017
4
0
1
Feb 2017
5
0
3
Mar 2017
5
0
2
Apr 2017
5
0
1
May 2017
4
0
0
Jun 2017
5
0
5
Jul 2017
6
0
1
Aug 2017
4
0
0
Sep 2017
12
0
1
Oct 2017
12
0
4
Nov 2017
10
0
0
Dec 2017
6
0
0
Jan 2018
22
0
1
Feb 2018
12
0
1
Mar 2018
8
0
0
Apr 2018
18
0
2
May 2018
10
0
1
Jun 2018
20
0
0
Jul 2018
48
0
1
Aug 2018
8
0
2
Sep 2018
8
0
1
Oct 2018
16
0
1
Nov 2018
16
0
1
Dec 2018
32
0
3
Jan 2019
15
0
3
Feb 2019
18
0
5
Mar 2019
10
0
5
Apr 2019
18
0
11
May 2019
6
0
7
Jun 2019
12
0
4
Jul 2019
10
0
8
Aug 2019
10
0
7
Sep 2019
8
0
1
Oct 2019
4
0
1
Nov 2019
12
0
5
Dec 2019
14
0
5
Jan 2020
12
0
4
Feb 2020
6
0
2
Mar 2020
2
0
5
Apr 2020
6
0
1
May 2020
14
0
3
Jun 2020
10
0
3
Jul 2020
12
0
2
Aug 2020
22
0
4
Sep 2020
20
0
3
Oct 2020
14
0
5
Nov 2020
8
0
4
Dec 2020
8
0
6
Jan 2021
10
0
4
Feb 2021
2
0
2
Mar 2021
8
0
2
Apr 2021
6
0
4
May 2021
2
0
0
Jun 2021
0
0
3
Jul 2021
0
0
5
Aug 2021
0
0
1
Sep 2021
0
0
5
Oct 2021
10
0
14
Nov 2021
16
0
20
Dec 2021
8
0
4
Jan 2022
20
0
5
Feb 2022
8
0
1
Mar 2022
23
0
1
Apr 2022
12
0
3
May 2022
32
0
8
Jun 2022
34
0
4
Jul 2022
12
0
1
Aug 2022
44
0
1
Sep 2022
38
0
9
Oct 2022
84
0
10
Nov 2022
6
0
2
Dec 2022
8
0
0
Jan 2023
14
0
4
Feb 2023
36
0
1
Mar 2023
12
0
4
Apr 2023
12
0
3
May 2023
8
0
6
Jun 2023
18
0
2
Jul 2023
10
0
4
Aug 2023
6
0
5
Sep 2023
4
0
0
Oct 2023
6
0
1
Nov 2023
8
0
0
Dec 2023
22
0
0
Jan 2024
40
0
1
Feb 2024
12
0
0
Mar 2024
122
0
0
Total
4323
6
605
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
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