STUDY QUESTION Is there an association between the different endometrial preparation
protocols for frozen embryo transfer (FET) and obstetric and perinatal outcomes …

Background In vitro fertilisation (IVF) or intracytoplasmic sperm injection (ICSI) treatments
conventionally consist of a fresh embryo transfer, possibly followed by one or more …

STUDY QUESTION Which add-ons are safe and effective to be used in ART treatment?
SUMMARY ANSWER Forty-two recommendations were formulated on the use of add-ons in …

STUDY QUESTION Does an individualised luteal phase support (iLPS), according to serum
progesterone (P4) level the day prior to euploid frozen embryo transfer (FET), improve …

Background The aim was to investigate whether children born after assisted reproduction
technology (ART), particularly after frozen-thawed embryo transfer (FET), are at higher risk of …

BACKGROUND Extended embryo culture to blastocyst stage is widely used in IVF and is the
default strategy in most clinics. The last decade has witnessed a growing interest in obstetric …

Background: Studies have shown that the prevalence of children born with high birth weight
or large for gestational age (LGA) is increasing. This is true for spontaneous pregnancies; …

Hypertensive disorders in pregnancy (HDP) constitute a worldwide health problem for
pregnant women and their infants. This study provided HDP burden over 1990 to 2019 by …

Abstract Purpose Since 2007, the Japan Society of Obstetrics and Gynecology (JSOG) has
collected cycle‐based data for assisted reproductive technology (ART) in an online registry …

This text has been written as a practical guide, based on the author's experience over the
last 40 years of daily clinical practice and aiming to place the modern approach to the …