The study design is an observational cohort study. Level of serum P4 will be collected on day OR+4 as well as on the day of embryo transfer (ET) either day OR+3 or OR+5.
Study Type
OBSERVATIONAL
Enrollment
250
Fertilitetsklinikken, Regionshospitalet Skive
Skive, Denmark
RECRUITINGLive birth rate in relation to luteal serum progesterone levels on day four and three or five
The birth of a live born child after gestational week 22+0
Time frame: 9-24 months after inclusion
Pregnancy rate in relation to luteal serum progesterone levels
Serum Human chorionic gonadotropin\<10 IU/l
Time frame: 14-16 days after oocyte retrieval
Clinical pregnancy rate in relation to luteal serum progesterone levels
Ultrasound scan detection of intrauterine fetal heartbeat in gestational week 7-9
Time frame: 7-9 weeks after inclusion
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