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Related Experiment Video

Updated: May 30, 2026

Utero-tubal Embryo Transfer and Vasectomy in the Mouse Model

Utero-tubal Embryo Transfer and Vasectomy in the Mouse Model

Published on: February 28, 2014

In-utero transfer is too difficult: results from a prospective study.

C Gale¹, A Hay, C Philipp

¹Neonatal Transport Team, Royal London Hospital, London, United Kingdom. christopher.gale@imperial.ac.uk

Early Human Development

|August 13, 2011

Summary

In-utero transfers are crucial for neonatal care but often face organizational delays and failures. A centralized planning service could improve efficiency and outcomes for these critical neonatal transports.

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Area of Science:

Neonatal care
Maternal-fetal medicine
Healthcare logistics

Background:

Perinatal transfer is a critical component of neonatal care.
In-utero transfer is preferred over postnatal transfer when feasible.

Purpose of the Study:

Quantify the prevalence of in-utero transfers.
Determine the time expenditure in arranging these transfers.
Identify failures in the organization of potential in-utero transfers.

Main Methods:

Prospective study of referred and completed in-utero transfers.
Questionnaire study of failed potential in-utero transfers.
Analysis of data from London Ambulance Service (LAS) and Emergency Bed Service (EBS) over six months in 2009.

Main Results:

438 in-utero transfers were undertaken by LAS; 180 (53%) of 338 referrals to EBS were successful.
11 of 69 emergency postnatal transfers of preterm infants (<29 weeks) were classified as failed in-utero transfers.
Median time for EBS involvement was 340 minutes; arranging failed transfers involved contacting a median of 7 units and took 240 minutes.

Conclusions:

Arranging in-utero transfers is time-intensive.
A significant number of in-utero transfer attempts fail due to non-clinical reasons.
A centralized in-utero transfer planning service could save clinical time and potentially improve neonatal outcomes.