Letters

Rates of triplet pregnancies in Western Australia may be beginning to fall

BMJ 1996; 313 doi: https://doi.org/10.1136/bmj.313.7057.625c (Published 07 September 1996) Cite this as: BMJ 1996;313:625
  1. Linda Watson, Research assistant, WA cerebral palsy register,
  2. Fiona Stanley, Director,
  3. Bev Petterson, Lecturer
  1. TVW Telethon Institute for Child Health Research, PO Box 855, West Perth, Western Australia 6872
  2. Anatomy and human biology University of Western Australia, Nedlands, Western Australia 6009

    EDITOR,—We have previously reported twinning and triplet rates to 1989 in a study of cerebral palsy in multiple births in Western Australia.1 The steep rise in triplet pregnancies was particularly worrying because, although actual numbers were small, the risk of having a child with cerebral palsy was 47 times greater in a triplet than a singleton pregnancy. The main contributor to the widely reported rise in multiple births during the 1980s is thought to have been the increasing use of fertility treatments.2 We continued to monitor …

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