Background There is a lack of consensus on the optimal dose and form of progesterone
supplementation during frozen‐thawed embryo transfer with hormone replacement therapy …

STUDY QUESTION What is the association between serum progesterone levels on the day
of frozen embryo transfer (FET) and the probability of live birth in women undergoing …

STUDY QUESTION Does supplementation with vaginal tablets of progesterone after frozen-
thawed embryo transfer in natural cycles improve the live birth rate? SUMMARY ANSWER …

Purpose To evaluate the effectiveness of high‐dose progesterone supplementation for
women who are undergoing a frozen‐thawed embryo transfer (FET). Methods Among the …

Research question What is the efficacy and possible positive effect of additional rescue
subcutaneous (sc) progesterone therapy for restoration of progesterone concentration on …

Objective To determine whether vaginal progesterone for programmed endometrial
preparation is noninferior to intramuscular progesterone in terms of live birth rates from …

Purpose The purpose of this study is to investigate whether progesterone (P4) levels on the
day of frozen-thawed embryo transfer (FET) to a hormonally prepared endometrium …

Objective To study the efficacy of combined administration of subcutaneous and vaginal
progesterone for priming frozen blastocysts transfers, looking at progesterone levels and …

OBJECTIVE: To see if progesterone support has a beneficial effect on live birth rate after
frozen embryo transfer in natural cycles. DESIGN: Prospective randomized controlled trial …

Objective To evaluate if serum progesterone (P) levels on the day of transfer influence
ongoing pregnancy rate (OPR) in hormonally prepared single blastocyst frozen embryo …