Pregnancies of Uncertain Location or Viability Research

Launched by UNIVERSITY OF NOTTINGHAM · Mar 1, 2016

Keywords

ClinConnect Summary

This diagnostic accuracy study will be conducted following the standards for reporting of diagnostic accuracy study (STARD) guidelines. Participants will be recruited from Nurture Fertility, Nottingham, United Kingdom at the time of embryo transfer. If the subsequent pregnancy test is positive, participants will be invited to attend for an additional transvaginal ultrasound scan at 33-34 days gestation. This scan will be considered to be the 'index test'.

The index test will be performed by a single investigator with experience in early pregnancy ultrasound following standard operating pro...

Gender

FEMALE

Eligibility criteria

• Inclusion Criteria:
• • Positive urinary pregnancy test performed 18 days after oocyte retrieval in a fresh treatment cycle or 13-16 days after embryo transfer in a frozen embryo replacement cycle depending on the stage of embryo development at the time of transfer
• Exclusion Criteria:
• • Negative urinary pregnancy test performed 18 days after oocyte retrieval in a fresh treatment cycle or 13-16 days after embryo transfer in a frozen embryo replacement cycle depending on the stage of embryo development at the time of transfer
• • No evidence of an intrauterine fluid collection during the index test
• • Evidence of a yolk sac and/or fetal pole during the index test
• • Final diagnosis not known