This is a study of the feasibility of a translational research clinic for pregnancies conceived by in vitro fertilisation (IVF). A group of at least 120 pregnancies (of which, at least 80 IVF-conceived) will be followed from early pregnancy to delivery, in order to gain early insights into the growth of the baby before birth, the physical and emotional adaptation of the mother to the pregnancy and how the placenta works. The investigators will collect preliminary data on how these factors may differ between pregnancies conceived with and without IVF, and between different IVF treatment modalities such as fresh or "frozen" embryo transfer IVF. The study aims to understand the practicalities of such a clinic, to identify barriers to participation in the clinic, to assess the uptake of different research measurements and to identify key measurements/time points with the greatest potential to identify and understand the origin of fetal growth and maternal adaptation differences after IVF conception in a full scale study.
Age range
18 Years – 39 Years
Sex
FEMALE
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Recruitment feasibility: Number of referrals received
Timeframe: 3 years
Recruitment feasibility: Proportion of referrals eligible for recruitment
Timeframe: 3 years
Recruitment feasibility: Proportion of eligible individuals accepting recruitment
Timeframe: 3 years
Recruitment feasibility: Rate of recruitment
Timeframe: 3 years
Recruitment feasibility: Gestation at referral/first appointment
Timeframe: 3 years
Recruitment feasibility: Rate of consent to contact for future studies involving mother or child
Timeframe: 3 years
Protocol feasibility: Proportion of recruits completing all study visits
Timeframe: 3 years
Protocol feasibility: Average number of study visits required by each individual
Timeframe: 3 years
Protocol feasibility: Proportion of individuals accepting each type/gestation of investigation
Timeframe: 3 years
Protocol feasibility: Reliability of each type/gestation of investigation
Timeframe: 3 years
Protocol feasibility: Rate of withdrawal / loss to follow up
Timeframe: 3 years
Protocol feasibility: Proportion of recruits where fertility records could be accessed
Timeframe: 3 years
Missing data: Proportion of recruits scanned before 12 weeks' gestation
Timeframe: 3 years
Missing data: Proportion of missing data points for each type/gestation of investigation
Timeframe: 3 years
Missing data: Proportion of fertility treatment variables that could be ascertained from fertility records
Timeframe: 3 years