Duration of oestrogen exposure does not affect reproductive outcome in artificial cycles: a retrospective analysis of more than 7000 hormonal replacement therapy cycles for an embryo transfer

Article Reproductive Biology

Short (seven days) versus standard (fourteen days) oestrogen administration in a programmed frozen embryo transfer cycle: a retrospective cohort study

Wen-Jing Jiang et al.

Summary: The duration of oestradiol supplementation before progesterone initiation does not significantly affect the reproductive outcomes of frozen-thawed embryo transfer. For infertile women who desire to conceive as soon as possible, a short (seven-day) oestrogen administration may be a suitable alternative.

JOURNAL OF OVARIAN RESEARCH (2022)

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Article Obstetrics & Gynecology

Impact of low serum progesterone levels on the day of embryo transfer on pregnancy outcome: a prospective cohort study in artificial cycles with vaginal progesterone

Elena Labarta et al.

Summary: In artificial endometrial preparation cycles, serum progesterone levels below 8.8 ng/ml on the day of embryo transfer significantly reduce the chances of ongoing pregnancy, regardless of the origin of the oocytes. Monitoring progesterone levels and adjusting doses accordingly is recommended for optimizing outcomes in assisted reproductive technology cycles.

HUMAN REPRODUCTION (2021)

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Article Obstetrics & Gynecology

OPTIMAL DURATION OF ESTROGEN PRIMING DURING FROZEN EMBRYO TRANSFER (FET) CYCLES: DOES IT REALLY MATTER?

Jad Eid et al.

FERTILITY AND STERILITY (2021)

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Article Public, Environmental & Occupational Health

The timing for initiating estrogen stimulation in artificial cycle for frozen-thawed embryo transfer can be flexible

Ying Ying et al.

Summary: This retrospective study from a university-affiliated reproductive medicine center found that initiating estrogen stimulation later during the proliferative endometrial phase in AC-FET does not adversely affect ongoing pregnancy rates. Therefore, flexible scheduling of AC-FET without compromising clinical outcomes is feasible.

REPRODUCTIVE HEALTH (2021)

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Article Obstetrics & Gynecology