PMID: 9438223Jan 23, 1998Paper

Ultrasonographic and hormonal monitoring of pregnancy in the saddle back tamarin, Saguinus fuscicollis

Journal of Medical Primatology
I Kuederling, M Heistermann

Abstract

Ultrasonography was used in six saddle back tamarin females (Saguinus fuscicollis) to diagnose pregnancy, monitor the patterns of uterine growth and embryonic/foetal development and examine the incidence loss of single embryos/foetuses. Pregnancy was reliably diagnosed 17 days after conception, 10 days earlier than by plasma progesterone measurement. The patterns of uterine and embryonic/foetal growth paralleled those reported for the common marmoset, including a delay in embryonic development. The results support the hypothesis of retardation of organogenesis in most callitrichid species. Individual embryos could be reliably identified from day 50 of pregnancy; a loss of single embryos/foetuses after this stage did not occur. All pregnancies were carried to term, resulting in five times twins and one singleton. The smaller litter size compared to the common marmoset may be due to loss of single embryos at earlier stages of pregnancy or to a lower ovulation rate.

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Jan 1, 1995·Folia primatologica; international journal of primatology·I KuederlingG Epple

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Citations

Jan 1, 1999·Primates; Journal of Primatology·H M Buchanan-Smith
Nov 30, 2007·American Journal of Physical Anthropology·Robert D Martin
Jun 13, 2006·Journal of Medical Primatology·Frederico Ozanan Barros MonteiroCelsemy Eleutério Maia

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