Patterns of evoked behaviour in twin pregnancies during the first 22 weeks of gestation

Alessandra Piontelli, Luisa Bocconi, Alessandra Kustermann, Beatrice Tassis, Cinzia Zoppini, Umberto Nicolini

Research output: Contribution to journalArticle

Abstract

The objective of this work was to investigate the emergence of intrapair stimulation between twin fetuses and the presence of possible changes in types and percentage of evoked patterns with advancing gestational age. The existence of intrapair stimulation would indicate the functioning of fetal tactile and proprioceptive sensibility. This was studied from video recordings of 30 min ultrasonographic observations of 8 twin pregnancies at 8, 9 and 10 weeks gestational age, of 20 twin pregnancies at 11, 12 and 13 weeks and of 20 twin pregnancies studied with 60 min observations at 15-16, 18-19 and 21-22 weeks. All age groups were subdivided in Monochorionic (Mc) and Dichorionic (Dc) pregnancies. Intrapair stimulation before 11 weeks gestational age is an exceptional event. Due to greater spatial contiguity and thinness of the membrane dividing the two amniotic sacs in Mc pregnancies, it was noted only in these. From 12 weeks onwards, evoked movements began to be observed in Dc pregnancies as well. After the 15th week, intrapair stimulation is a constant and increasing feature of all twin gestations. Movements vary from generalized bodily activity to being progressively localized. No specific evoked movement patterns were observed.

Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalEarly Human Development
Volume50
Issue number1
DOIs
Publication statusPublished - Nov 24 1997

Fingerprint

Twin Pregnancy
Gestational Age
Pregnancy
Video Recording
Thinness
Touch
Fetus
Age Groups
Membranes

Keywords

  • Evoked fetal behaviour
  • Fetal behaviour
  • Fetal tactile and proprioceptive sensibility
  • Twins
  • Ultrasounds

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Patterns of evoked behaviour in twin pregnancies during the first 22 weeks of gestation. / Piontelli, Alessandra; Bocconi, Luisa; Kustermann, Alessandra; Tassis, Beatrice; Zoppini, Cinzia; Nicolini, Umberto.

In: Early Human Development, Vol. 50, No. 1, 24.11.1997, p. 39-45.

Research output: Contribution to journalArticle

Piontelli, Alessandra ; Bocconi, Luisa ; Kustermann, Alessandra ; Tassis, Beatrice ; Zoppini, Cinzia ; Nicolini, Umberto. / Patterns of evoked behaviour in twin pregnancies during the first 22 weeks of gestation. In: Early Human Development. 1997 ; Vol. 50, No. 1. pp. 39-45.
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