|
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]
|
