Is frozen embryo transfer better for mothers and babies? Can cumulative meta-analysis provide a definitive answer?

Comparison of birth weights in patients randomly assigned to fresh or frozen-thawed embryo transfer

(2016) Bruce S. Shapiro et al.   FERTILITY AND STERILITY

Impact of single embryo transfer policy on perinatal outcomes in fresh and frozen cycles—analysis of the Japanese Assisted Reproduction Technology registry between 2007 and 2012

(2016) Kazumi Takeshima et al.   FERTILITY AND STERILITY

Obstetric and perinatal outcomes after either fresh or thawed frozen embryo transfer: an analysis of 112,432 singleton pregnancies recorded in the Human Fertilisation and Embryology Authority anonymized dataset

(2016) Abha Maheshwari et al.   FERTILITY AND STERILITY

Comparison of perinatal outcomes following fresh and frozen-thawed blastocyst transfer

(2016) Nigel Pereira et al.   INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS

Fresh versus Frozen Embryos for Infertility in the Polycystic Ovary Syndrome

(2016) Zi-Jiang Chen et al.   NEW ENGLAND JOURNAL OF MEDICINE

Risk of hypertensive disorders in pregnancies following assisted reproductive technology: a cohort study from the CoNARTaS group

(2015) S. Opdahl et al.   HUMAN REPRODUCTION

Single-embryo transfer of vitrified-warmed blastocysts yields equivalent live-birth rates and improved neonatal outcomes compared with fresh transfers

(2014) Tammie K. Roy et al.   FERTILITY AND STERILITY

Clinical outcomes following cryopreservation of blastocysts by vitrification or slow freezing: a population-based cohort study

(2014) Z. Li et al.   HUMAN REPRODUCTION

Large baby syndrome in singletons born after frozen embryo transfer (FET): is it due to maternal factors or the cryotechnique?

(2014) A. Pinborg et al.   HUMAN REPRODUCTION

Major congenital anomalies in children born after frozen embryo transfer: a cohort study 1995-2006

(2014) S. Pelkonen et al.   HUMAN REPRODUCTION

Controlled Ovarian Hyper-stimulation during IVF treatment does not increase the risk of preterm delivery compared to the transfer of frozen-thawed embryos in a natural cycle

(2013) Anthia Rallis et al.   AUSTRALIAN & NEW ZEALAND JOURNAL OF OBSTETRICS & GYNAECOLOGY

Perinatal outcomes of children born after frozen-thawed embryo transfer: a Nordic cohort study from the CoNARTaS group

(2013) U.-B. Wennerholm et al.   HUMAN REPRODUCTION

Obstetric and neonatal outcomes after transfer of vitrified early cleavage embryos

(2013) S. Y. Liu et al.   HUMAN REPRODUCTION

Perinatal and neonatal outcomes of 494 babies delivered from 972 vitrified embryo transfers

(2012) Wenhao Shi et al.   FERTILITY AND STERILITY

Elective cryopreservation of all embryos with subsequent cryothaw embryo transfer in patients at risk for ovarian hyperstimulation syndrome reduces the risk of adverse obstetric outcomes: a preliminary study

(2012) Anthony N. Imudia et al.   FERTILITY AND STERILITY

Comparison of the clinical outcomes between fresh blastocyst and vitrified-thawed blastocyst transfer

(2012) Pei-Yun Ku et al.   JOURNAL OF ASSISTED REPRODUCTION AND GENETICS

Neonatal outcome and birth defects in 6623 singletons born following minimal ovarian stimulation and vitrified versus fresh single embryo transfer

(2011) Osamu Kato et al.   European Journal of Obstetrics & Gynecology and Reproductive Biology

Evidence of impaired endometrial receptivity after ovarian stimulation for in vitro fertilization: a prospective randomized trial comparing fresh and frozen–thawed embryo transfer in normal responders

(2011) Bruce S. Shapiro et al.   FERTILITY AND STERILITY

Perinatal morbidity after in vitro fertilization is lower with frozen embryo transfer

(2010) Suleena Kansal Kalra et al.   FERTILITY AND STERILITY

Perinatal outcome of singleton siblings born after assisted reproductive technology and spontaneous conception: Danish national sibling-cohort study

(2010) Anna-Karina Aaris Henningsen et al.   FERTILITY AND STERILITY

Obstetric outcomes after transfer of vitrified blastocysts

(2010) M. Wikland et al.   HUMAN REPRODUCTION

Perinatal outcome of children born after frozen and fresh embryo transfer: the Finnish cohort study 1995–2006

(2010) S. Pelkonen et al.   HUMAN REPRODUCTION

RETRACTED ARTICLE: Can fresh embryo transfers be replaced by cryopreserved-thawed embryo transfers in assisted reproductive cycles? A randomized controlled trial

(2010) Abbas Aflatoonian et al.   JOURNAL OF ASSISTED REPRODUCTION AND GENETICS

Comparison of early pregnancy and neonatal outcomes after frozen and fresh embryo transfer in ART cycles

(2010) Abbas Aflatoonian et al.   JOURNAL OF ASSISTED REPRODUCTION AND GENETICS

Infant outcome of 957 singletons born after frozen embryo replacement: The Danish National Cohort Study 1995–2006

(2009) Anja Pinborg et al.   FERTILITY AND STERILITY

Children born after cryopreservation of embryos or oocytes: a systematic review of outcome data

(2009) U.-B. Wennerholm et al.   HUMAN REPRODUCTION

Pregnancies conceived using assisted reproductive technologies (ART) have low levels of pregnancy-associated plasma protein-A (PAPP-A) leading to a high rate of false-positive results in first trimester screening for Down syndrome

(2009) D.J. Amor et al.   HUMAN REPRODUCTION

Prevalence and risk factors for obstetric haemorrhage in 6730 singleton births after assisted reproductive technology in Victoria Australia

(2009) D.L. Healy et al.   HUMAN REPRODUCTION

Factors affecting low birthweight after assisted reproduction technology: difference between transfer of fresh and cryopreserved embryos suggests an adverse effect of oocyte collection

(2008) W. Shih et al.   HUMAN REPRODUCTION

Neonatal outcome of 937 children born after transfer of cryopreserved embryos obtained by ICSI and IVF and comparison with outcome data of fresh ICSI and IVF cycles

(2008) F. Belva et al.   HUMAN REPRODUCTION