Endocrinology and physiology of pseudocyesis

Table 1 Incidence of pseudocyesis

Frequency	Location	Race/Ethnicity	Reference
1/22000 births	Boston Hospitals, USA	?	[4]
1/344 of newly booked expectant mothers	St. Vincent’s Hospital Ndubia, Ebonyi State, Nigeria	African black	[3]
1/250 maternity clinic admissions (24 out of 27 patients had tried to conceive without success for 2 to 17 years)	Jefferson Hospital, Philadelphia, USA	85% (23/27) African-American black; 15% (4/27) white	[5]
1/200 births	Baragwanath Hospital, South Africa	African black	[6]
1/160 women who had previously being investigated and managed for reproductive failure	Wad Medani Teaching Hospital, Sudan	African black	[7]