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PMID: 19811666 Published · epublish English Journal Article

Consanguinity and reproductive health among Arabs.

Reproductive health ·Vol. 6 ·2009-10-08 ·Pages 17

Tadmouri GO, Nair P, Obeid T, Al Ali MT, Al Khaja N, Hamamy HA

Abstract

Consanguineous marriages have been practiced since the early existence of modern humans. Until now consanguinity is widely practiced in several global communities with variable rates depending on religion, culture, and geography. Arab populations have a long tradition of consanguinity due to socio-cultural factors. Many Arab countries display some of the highest rates of consanguineous marriages in the world, and specifically first cousin marriages which may reach 25-30% of all marriages. In some countries like Qatar, Yemen, and UAE, consanguinity rates are increasing in the current generation. Research among Arabs and worldwide has indicated that consanguinity could have an effect on some reproductive health parameters such as postnatal mortality and rates of congenital malformations. The association of consanguinity with other reproductive health parameters, such as fertility and fetal wastage, is controversial. The main impact of consanguinity, however, is an increase in the rate of homozygotes for autosomal recessive genetic disorders. Worldwide, known dominant disorders are more numerous than known recessive disorders. However, data on genetic disorders in Arab populations as extracted from the Catalogue of Transmission Genetics in Arabs (CTGA) database indicate a relative abundance of recessive disorders in the region that is clearly associated with the practice of consanguinity.

Authors & Affiliations
6 authors, click to expand affiliations / ORCID
Tadmouri Ghazi O
Centre for Arab Genomic Studies, Dubai, United Arab Emirates. [email protected]
Nair Pratibha
Obeid Tasneem
Al Ali Mahmoud T
Al Khaja Najib
Hamamy Hanan A
References (114)
114 references, click to expand
  1. The effect of consanguineous marriages on reproductive wastage.
    Clin Genet. 1986 May;29(5):384-8 PMID: 3742845
  2. Consanguinity among the Saudi Arabian population.
    J Med Genet. 1995 Aug;32(8):623-6 PMID: 7473654
  3. Endogamy, consanguinity and community genetics.
    J Genet. 2002 Dec;81(3):91-8 PMID: 12717037
  4. Genetic referrals of Middle Eastern origin in a western city: inbreeding and disease profile.
    J Med Genet. 1996 Mar;33(3):212-5 PMID: 8728693
  5. Effects of polygyny and consanguinity on high fertility in the rural Arab population in South Jordan.
    J Biosoc Sci. 2003 Oct;35(4):513-26 PMID: 14621249
  6. Consanguinity in north Jordan: prevalence and pattern.
    J Biosoc Sci. 1993 Oct;25(4):553-6 PMID: 8227103
  7. Consanguineous marriage in an urban area of Saudi Arabia: rates and adverse health effects on the offspring.
    J Community Health. 1998 Feb;23(1):75-83 PMID: 9526727
  8. Fertility and its relationship with sociocultural factors in Kuwaiti society.
    East Mediterr Health J. 2007 Nov-Dec;13(6):1364-71 PMID: 18341186
  9. Consanguinity and genetic disorders. Profile from Jordan.
    Saudi Med J. 2007 Jul;28(7):1015-7 PMID: 17603701
  10. Interplay of socio-economic factors, consanguinity, fertility, and offspring mortality in Monastir, Tunisia.
    Croat Med J. 2007 Oct;48(5):701-7 PMID: 17948956
  11. [Consanguinity and public health. Algerian study].
    Arch Fr Pediatr. 1984 Jun-Jul;41(6):435-40 PMID: 6487047
  12. Consanguinity among the Kuwaiti population.
    Clin Genet. 1985 May;27(5):483-6 PMID: 4006273
  13. An association between the kinship and fertility of human couples.
    Science. 2008 Feb 8;319(5864):813-6 PMID: 18258915
  14. Violence during pregnancy in Jordan: its prevalence and associated risk and protective factors.
    Violence Against Women. 2009 Jun;15(6):720-35 PMID: 19269932
  15. Profile of major congenital anomalies in the Dhahira region, Oman.
    Ann Saudi Med. 2007 Mar-Apr;27(2):106-11 PMID: 17356321
  16. Maternal influences on birth weight.
    J R Soc Health. 1989 Apr;109(2):69-70 PMID: 2500524
  17. Consanguinity and advanced maternal age as risk factors for reproductive losses in Alexandria, Egypt.
    Eur J Epidemiol. 2001;17(6):559-65 PMID: 11949729
  18. Spina bifida in Saudi Arabia: is consanguinity among the parents a risk factor?
    Pediatr Neurosurg. 2000 Jan;32(1):10-2 PMID: 10765132
  19. Low birthweight in Riyadh, Saudi Arabia: incidence and risk factors.
    Ann Trop Paediatr. 1991;11(1):75-82 PMID: 1714699
  20. Consanguinity trends and correlates in the Palestinian Territories.
    J Biosoc Sci. 2009 Jan;41(1):107-24 PMID: 18549512
  21. [Consanguinity in the population of northern Tunisia].
    Tunis Med. 1989 Mar;67(3):167-72 PMID: 2756579
  22. Genetic contribution to high neonatally lethal malformation rate in the United Arab Emirates.
    Community Genet. 2005;8(1):31-4 PMID: 15767752
  23. A study of possible deleterious effects of consanguinity.
    Clin Genet. 1997 Mar;51(3):167-73 PMID: 9137881
  24. Consanguineous marriages in Beirut: time trends, spatial distribution.
    Soc Biol. 1988 Fall-Winter;35(3-4):324-30 PMID: 3241995
  25. Prevalence and social correlates to consanguinity in Kuwait.
    Ann Saudi Med. 1999 May-Jun;19(3):206-10 PMID: 17283454
  26. Profile of major congenital malformations in neonates in Al-Jahra region of Kuwait.
    East Mediterr Health J. 2005 Jul;11(4):700-6 PMID: 16700386
  27. Mortality among offspring of consanguineous marriage in a rural area of East Jordan.
    J Trop Pediatr Afr Child Health. 1966 Mar;11(4):95-9 PMID: 5299361
  28. Genetic Counseling and Screening of Consanguineous Couples and Their Offspring: Recommendations of the National Society of Genetic Counselors.
    J Genet Couns. 2002 Apr;11(2):97-119 PMID: 26141656
  29. Congenital malformations and consanguinity.
    Aust N Z J Obstet Gynaecol. 1986 Aug;26(3):168-72 PMID: 3468935
  30. Consanguineous marriages in the United Arab Emirates.
    J Biosoc Sci. 1997 Oct;29(4):491-7 PMID: 9881148
  31. The profile of major congenital abnormalities in the United Arab Emirates (UAE) population.
    J Med Genet. 1995 Jan;32(1):7-13 PMID: 7897633
  32. The prevalence and correlates of consanguineous marriages in Yemen: similarities and contrasts with other Arab countries.
    J Biosoc Sci. 2003 Jan;35(1):1-13 PMID: 12537152
  33. Genetic diversity among the Arabs.
    Community Genet. 2005;8(1):21-6 PMID: 15767750
  34. The costs of human inbreeding and their implications for variations at the DNA level.
    Nat Genet. 1994 Oct;8(2):117-21 PMID: 7842008
  35. Genetic disorders in the Arab world.
    BMJ. 2006 Oct 21;333(7573):831-4 PMID: 17053236
  36. The effect of consanguinity on pregnancy outcome in Saudi Arabia.
    J R Soc Health. 1990 Aug;110(4):146-7 PMID: 2121985
  37. Effects of consanguineous matings on anthropometric measurements of Saudi newborn infants.
    Fam Pract. 1989 Sep;6(3):217-20 PMID: 2792623
  38. Trends in the frequencies of consanguineous marriages in the Israeli Arab community.
    Clin Genet. 2000 Aug;58(2):106-10 PMID: 11005142
  39. [Consanguinity and public health in Morocco].
    Bull Acad Natl Med. 1994 Jun;178(6):1013-25; discussion 1025-7 PMID: 7994577
  40. Assessment of association between consanguinity and fertility in Asian populations.
    J Health Popul Nutr. 2004 Mar;22(1):1-12 PMID: 15190806
  41. Pattern of cleft lip and palate in hospital-based population in Saudi Arabia: retrospective study.
    Cleft Palate Craniofac J. 2008 Nov;45(6):592-6 PMID: 18956928
  42. Influence of consanguinity on the pattern of familial aggregation of congenital cardiovascular anomalies in an outpatient population: studies from the eastern province of Saudi Arabia.
    Community Genet. 2007;10(1):27-31 PMID: 17167247
  43. Consanguinity and its relevance to clinical genetics.
    Clin Genet. 2001 Aug;60(2):89-98 PMID: 11553039
  44. Neural tube defects in the Asir Region of Saudi Arabia.
    Ann Saudi Med. 2001 Jan-Mar;21(1-2):26-9 PMID: 17264584
  45. Epidemiology of infantile hydrocephalus in Saudi Arabia: birth prevalence and associated factors.
    Pediatr Neurosurg. 2000 Mar;32(3):119-23 PMID: 10867557
  46. The prevalence of consanguineous marriages in an underserved area in Lebanon and its association with congenital anomalies.
    Genet Test. 2008 Sep;12(3):367-72 PMID: 18666858
  47. Epidemiological and genetic study of 121 cases of oral clefts in Kuwait.
    Orthod Craniofac Res. 2002 Aug;5(3):154-60 PMID: 12194664
  48. Malformations in 10,000 consecutive births in Tunis.
    Acta Paediatr Scand. 1986 Jul;75(4):534-9 PMID: 3751547
  49. Association among education level, occupation status, and consanguinity in Tunisia and Croatia.
    Croat Med J. 2006 Aug;47(4):656-61 PMID: 16912991
  50. Perception of consanguineous marriages and their genetic effects among a sample of couples from Beirut.
    Am J Med Genet. 1986 Oct;25(2):299-306 PMID: 3777026
  51. Consanguinity and reproductive health in Iraq.
    Hum Hered. 1989;39(5):271-5 PMID: 2613253
  52. Consanguinity and adverse pregnancy outcomes: the north of Jordan experience.
    Matern Child Health J. 2010 Mar;14(2):283-9 PMID: 18982433
  53. An epidemiological study on consanguineous marriage among urban population in Alexandria.
    J Egypt Public Health Assoc. 1995;70(3-4):293-305 PMID: 17214159
  54. Genetic disorders among Palestinian Arabs: 1. Effects of consanguinity.
    Am J Med Genet. 1997 Feb 11;68(4):472-5 PMID: 9021024
  55. Consanguineous marriage in Jordan.
    Am J Med Genet. 1992 Jul 15;43(5):769-75 PMID: 1642259
  56. Consanguineous marriages in a Saudi population and the effect of inbreeding on prenatal and postnatal mortality.
    Ann Trop Paediatr. 1997 Jun;17(2):155-60 PMID: 9230979
  57. Consanguinity and family clustering of male factor infertility in Lebanon.
    Fertil Steril. 2009 Apr;91(4):1104-9 PMID: 18367181
  58. Changing family structure in a modernizing society: a study of marriage patterns in a single Muslim village in Israel.
    Am J Hum Biol. 2002 Sep-Oct;14(5):680-2 PMID: 12203822
  59. Mating patterns of the Abbad tribe in Jordan.
    Soc Biol. 1995 Fall-Winter;42(3-4):162-74 PMID: 8738543
  60. [Frequency of consanguineous unions in the Tlemcen area (West Algeria)].
    Sante. 2002 Jul-Sep;12(3):289-95 PMID: 12473522
  61. A community genetics perspective on consanguineous marriage.
    Community Genet. 2008;11(6):324-30 PMID: 18690000
  62. Consanguinity and schizophrenia in Sudan.
    Br J Psychiatry. 1979 Jun;134:635-6 PMID: 476375
  63. Inbreeding and diseases: demographic, genetic, and epidemiologic perspectives.
    Epidemiol Rev. 1991;13:28-41 PMID: 1765114
  64. Consanguinity, fertility, reproductive wastage, infant mortality and congenital malformations in Jordan.
    Saudi Med J. 2000 Feb;21(2):150-4 PMID: 11533771
  65. Review of the spectrum of genetic diseases in Bahrain.
    East Mediterr Health J. 1999 Nov;5(6):1114-20 PMID: 11924098
  66. The influence of consanguineous marriage on infant and child mortality among Palestinians in the West Bank and Gaza, Jordan, Lebanon and Syria.
    Community Genet. 2002;5(3):178-81 PMID: 14960888
  67. A study of consanguinity in the Sultanate of Oman.
    Ann Hum Biol. 2000 May-Jun;27(3):321-6 PMID: 10834296
  68. Consanguinity and apnea of prematurity.
    Am J Epidemiol. 2003 Nov 15;158(10):942-6 PMID: 14607801
  69. Inbreeding pattern and reproductive success in a rural community from Galicia (Spain).
    J Biosoc Sci. 2003 Jan;35(1):83-93 PMID: 12537158
  70. Sanctions and childhood mortality in Iraq.
    Lancet. 2000 May 27;355(9218):1851-7 PMID: 10866440
  71. Consanguineous marriages in Jordan: why is the rate changing with time?
    Clin Genet. 2005 Jun;67(6):511-6 PMID: 15857418
  72. Consanguineous marriage and congenital heart defects: a case-control study in the neonatal period.
    Am J Med Genet A. 2006 Jul 15;140(14):1524-30 PMID: 16763961
  73. Science and society: genetic counselling and customary consanguineous marriage.
    Nat Rev Genet. 2002 Mar;3(3):225-9 PMID: 11972160
  74. Consanguineous matings in the Egyptian population.
    J Med Genet. 1983 Feb;20(1):58-60 PMID: 6842535
  75. Inbreeding levels in Khartoum.
    J Biosoc Sci. 1988 Jul;20(3):333-6 PMID: 3215913
  76. Congenital malformations. A report of a study of series of consecutive births in 24 centres.
    Bull World Health Organ. 1966;34 Suppl:9-127 PMID: 5296840
  77. Parental consanguinity and congenital heart malformations in a developing country.
    Am J Med Genet A. 2003 Feb 1;116A(4):342-7 PMID: 12522788
  78. Congenital heart disease among school children in Alexandria, Egypt: an overview on prevalence and relative frequencies.
    J Trop Pediatr. 2000 Dec;46(6):357-62 PMID: 11191148
  79. The impact of consanguinity worldwide.
    Community Genet. 1998;1(1):12-7 PMID: 15178982
  80. Consanguineous unions and child health in the State of Qatar.
    Paediatr Perinat Epidemiol. 2006 Sep;20(5):372-8 PMID: 16911015
  81. Incidence and spectrum of congenital heart disease in Oman.
    Ann Trop Paediatr. 2000 Dec;20(4):337-41 PMID: 11219172
  82. Consanguineous marriage and reproduction in Beirut, Lebanon.
    Am J Hum Genet. 1988 Aug;43(2):188-96 PMID: 3400644
  83. Inbreeding effects on fetal growth in Beirut, Lebanon.
    Am J Phys Anthropol. 1989 Dec;80(4):481-4 PMID: 2603950
  84. Consanguinity and congenital heart disease in the rural Arab population in northern Israel.
    Hum Hered. 1986;36(4):213-7 PMID: 3759097
  85. Consanguineous marriage in a newly developed country: the Qatari population.
    J Biosoc Sci. 2006 Mar;38(2):239-46 PMID: 16490156
  86. Consanguineous marriage in the capital city Sana'a, Yemen.
    J Biosoc Sci. 2004 Jan;36(1):111-21 PMID: 14989534
  87. Consanguinity in Lebanon: prevalence, distribution and determinants.
    J Biosoc Sci. 2009 Jul;41(4):505-17 PMID: 19175949
  88. Major congenital malformations presenting in the first 24 hours of life in 3865 consecutive births in south of Beirut. Incidence and pattern.
    J Med Liban. 1998 Sep-Oct;46(5):256-60 PMID: 10349259
  89. Consanguineous marriage among rural Arabs in Israel.
    Isr J Med Sci. 1984 Nov;20(11):1035-8 PMID: 6511329
  90. Profile of major congenital malformations at Nizwa Hospital, Oman: 10-year review.
    J Paediatr Child Health. 2005 Jul;41(7):323-30 PMID: 16014135
  91. Association of parental consanguinity with congenital malformations among Arab newborns in Jerusalem.
    Clin Genet. 2004 Jul;66(1):63-6 PMID: 15200510
  92. Neural tube defects and congenital hydrocephalus in the Sultanate of Oman.
    J Trop Pediatr. 1998 Oct;44(5):300-3 PMID: 9819495
  93. Effects of inbreeding on cognitive performance.
    Nature. 1977 Mar 31;266(5601):440-2 PMID: 859611
  94. Consanguinity as a determinant of reproductive behaviour and mortality in Pakistan.
    Int J Epidemiol. 1993 Jun;22(3):463-7 PMID: 8359962
  95. First-cousin matings and congenital heart disease in Saudi Arabia.
    Community Genet. 1999;2(2-3):69-73 PMID: 15181336
  96. Effect of consanguinity on birth weight for gestational age in a developing country.
    Am J Epidemiol. 2007 Apr 1;165(7):742-52 PMID: 17311799
  97. Regional variations in the prevalence of consanguinity in Saudi Arabia.
    Saudi Med J. 2007 Dec;28(12):1881-4 PMID: 18060221
  98. [Effects of consanguinity and social factors on mortality and fertility in Mauritania].
    Tunis Med. 2005 Apr;83(4):221-6 PMID: 15966668
  99. Inbreeding effects on reproductive outcome in a Sudanese population.
    Hum Hered. 1990;40(4):208-12 PMID: 2379925
  100. Consanguinity and incidence of thalassaemia in Egypt.
    Hereditas. 1983;99(2):215-7 PMID: 6668208
  101. Prevalence of consanguineous marriages in Syria.
    J Biosoc Sci. 2009 Sep;41(5):685-92 PMID: 19433003
  102. Does inbreeding lead to decreased human fertility?
    Ann Hum Biol. 2002 Mar-Apr;29(2):111-30 PMID: 11874619
  103. What is the birth defect risk associated with consanguineous marriages?
    Am J Med Genet. 2002 Apr 15;109(1):70-1 PMID: 11932996
  104. Birth defects and parental consanguinity in Norway.
    Am J Epidemiol. 1997 Mar 1;145(5):439-48 PMID: 9048518
  105. Genetic studies of Egyptian Nubian populations. I. Frequency and types of consanguineous marriages.
    Hum Hered. 1972;22(4):387-98 PMID: 4647205
  106. Consanguinity in a population sample of Israeli Muslim Arabs, Christian Arabs and Druze.
    Ann Hum Biol. 2002 Jul-Aug;29(4):422-31 PMID: 12160475
  107. The National Congenital Anomalies Register in the United Arab Emirates.
    East Mediterr Health J. 2005 Jul;11(4):690-9 PMID: 16700385
  108. Consanguineous matings in an Israeli-Arab community.
    Arch Pediatr Adolesc Med. 1994 Apr;148(4):412-5 PMID: 8148943
  109. The changing pattern of consanguinity in a selected region of the Israeli Arab community.
    Am J Hum Biol. 2008 Jan-Feb;20(1):72-7 PMID: 17941037
  110. Recurrent early pregnancy loss and consanguinity.
    Reprod Biomed Online. 2002 Sep-Oct;5(2):167-70 PMID: 12419042
  111. Consanguinity and major genetic disorders in Saudi children: a community-based cross-sectional study.
    Ann Saudi Med. 2008 May-Jun;28(3):169-73 PMID: 18500181
  112. Consanguinity and endogamy in Northern Tunisia and its impact on non-syndromic deafness.
    Genet Epidemiol. 2004 Jul;27(1):74-9 PMID: 15185405
  113. Effects of consanguineous marriage on reproductive outcome in an Arab community in Israel.
    J Med Genet. 1997 Dec;34(12):1000-2 PMID: 9429142
  114. Endogamy in Egyptian Nubia.
    J Biosoc Sci. 1971 Jul;3(3):251-7 PMID: 5096098
Article Info
Journal
Reproductive health
Abbr.
Reprod Health
ISSN
1742-4755
Published
2009-10-08
Epub
2009-00-08
Pages
17
Language
English
Region
England
NLM ID
101224380
PMCID
PMC2765422
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