Factors influencing twins and zygosity

Gary Hankins, George Saade

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Zygosity is influenced by many factors. Monozygotic twins occur spontaneously in approximately 1 in 250 births and are felt to increase twofold with ovulation induction techniques. Monozygotic twinning also increases in proportion to the number of blastocysts transferred during in vitro fertilisation. In contrast, dizygotic twinning appears to be influenced by race, genetic factors, maternal age, fertility enhancing drugs, folic acid supplementation, and maternal nutritional status.

Original languageEnglish (US)
Pages (from-to)8-9
Number of pages2
JournalPaediatric and Perinatal Epidemiology
Volume19
Issue numberSUPPL. 1
DOIs
StatePublished - Jan 2005

Fingerprint

Monozygotic Twinning
Fertility Agents
Monozygotic Twins
Ovulation Induction
Maternal Age
Blastocyst
Fertilization in Vitro
Nutritional Status
Folic Acid
Mothers
Parturition

ASJC Scopus subject areas

  • Epidemiology
  • Pediatrics, Perinatology, and Child Health

Cite this

Factors influencing twins and zygosity. / Hankins, Gary; Saade, George.

In: Paediatric and Perinatal Epidemiology, Vol. 19, No. SUPPL. 1, 01.2005, p. 8-9.

Research output: Contribution to journalArticle

Hankins, Gary ; Saade, George. / Factors influencing twins and zygosity. In: Paediatric and Perinatal Epidemiology. 2005 ; Vol. 19, No. SUPPL. 1. pp. 8-9.
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