Submitted on: 17 January 2005.
Revised on: 26 March 2005.
Accepted on: 18 April 2005.
___________________JOURNAL OF OBSTETRICS AND GYNAECOLOGY
Submitted on: 29 August 2019.
Revised on: 19 November 2019.
Accepted on: 07 January 2020.
___________________JOURNAL OF OBSTETRICS AND GYNAECOLOGY
Submitted on: 08 March 2013.
Revised on: 06 May 2013.
Accepted on: 24 June 2013.
___________________JOURNAL OF OBSTETRICS AND GYNAECOLOGY
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Submitted on: 09 December 2017.
Revised on: 01 February 2018.
Accepted on: 18 February 2018.
___________________JOURNAL OF OBSTETRICS AND GYNAECOLOGY
Submitted on: 02 October 2019.
Revised on: 19 December 2019.
Accepted on: 04 February 2020.
___________________JOURNAL OF OBSTETRICS AND GYNAECOLOGY