Table 1. Selected Articles.

Order	Authorship	Journal	Year	Country	Language
1	Beller 14	Z Geburtshilfe Neonatol	2000	Germany	German
2	Sandmire et al 35	Birth	2002	USA	English
3	Sandmire et al 16	Int J Gynaecol Obstet	2002	USA	English
4	Krause et al 17	Z Geburtshilfe Neonatol	2005	Germany	German
5	Gherman et al 18	Am J Obstet Gynecol	2006	USA	English
6	Hankins et al 19	Semin Perinatol	2006	USA	English
7	Gurewitsch 20	Clin Obstet Gynecol	2007	USA	English
8	Allen 21	Clin Obstet Gynecol	2007	USA	English
9	Jevitt et al 22	J Perinat Neonatal Nurs	2008	USA	English
10	Doumouchtsis et al 23	Obstet Gynecol Surv	2009	England	English
11	O'Shea et al 24	Semin Perinatol	2010	USA	English
12	Doumouchtsis et al 25	Ann N Y Acad Sci.	2010	England	English
13	Anderson 26	Prim Care Clin Office Pract	2012	USA	English
14	Abzug et al 27	Orthop Clin North Am	2014	USA	English
15	Stitely et al 28	Seminars in Perinatology	2014	New Zealand/USA	English
16	Chauhan et al 29	Seminars in Perinatology	2014	USA	English
17	Ouzounian 30	Seminars in Perinatology	2014	USA	English
18	Legendre et al 31	J Gynecol Obstet Biol Reprod	2015	France	French
19	Schmitz 32	J Gynecol Obstet Biol Reprod	2015	France	French
20	Hill et al 33	Womens Health	2016	USA	English
21	Sentilhes et al 34	Eur J Obstet Gynecol Reprod Biol	2016	France	English

Data referring to the 21 review articles are described in ascending chronological order, with authorship, name of the journal, year of publication, country of origin of the authors and language of publication.