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LetterToEditor Article

A potential cause of hyperemesis gravidarum: evidence from the sex ratio of associated infants

Page 377 | Published online: 09 Sep 2009

References

  • Vilming B, Nesheim B-I. Hyperemesis gravidarum in a contemporary population in Oslo. Acta Obstet Gynecol Scand 2000; 79: 640–3.
  • Askling J, Erlandsson G, Kaijser M, Akre O, Ekbom A. Sickness in pregnancy and sex of child. Lancet 1999; 354: 2053.
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  • James WH. Evidence that mammalian sex ratios are partially controlled by parental hormone levels at the time of conception. J Theor Biol 1996; 180: 271–86.

References

  • Askling J, Erlandsson G, Kaijser M, Akre O, Ekbom A. Sickness in pregnancy and sex of child. Lancet 1999; 354: 2053.
  • Sørensen HT, Thulstrup AM, Mortensen JT, Larsen H, Pedersen L. Hyperemesis gravidarum and sex of child. Lancet 2000; 355: 407.
  • Kallén B. Hyperemesis during pregnancy and delivery outcome: a registry study. Eur J Obstet Gynecol Reprod Biol 1987; 26: 291–309.
  • Vilming B, Nesheim B-I. Hyperemesis gravidarum in a contemporary population in Oslo. Acta Obstet Gynecol Scand 2000; 79: 640–3.
  • Zhang J, Cai W Severe vomiting during pregnancy: antenatal correlates and fetal outcomes. Epidemiology 1991; 2: 454–7.
  • Tsang IS, Katz VL, Wells SD. Maternal and fetal outcomes in hyperemesis gravidarum. Int J Gynaecol Obstet 1996; 55: 231–5.
  • Bashiri A, Neumann L, Maymon E, Katz M. Hyperemesis gravidarum: epidemiologic features, complications and outcome. Eur J Obstet Gynecol Reprod Biol 1995; 63: 135–8.

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