1. Ultrasound-guided embryo transfer: summary of the evidence and new perspectives. A systematic review and meta-analysis 
Mauro Cozzolino, Amerigo Vitagliano, Maria Valentina Di Giovanni, Antonio Simone Laganà, Salvatore Giovanni Vitale, Mija Blaganje, Kristina Drusany Starič, Kobal Borut, Tito Silvio Patrelli, Marco Noventa 
Reproductive BioMedicine Online 
Volume 36, Issue 5, Pages (May 2018)
DOI: /j.rbmo
Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions

2. Figure 1
Preferred Reporting Items for Systematic Reviews and Meta-Analyses flow diagram of study selection.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions

3. Figure 2
(a) Transabdominal ultrasound (TA-US) versus clinical touch embryo transfer. Meta-analysis of clinical pregnancy rate, random effects model; (b) TA-US versus clinical touch embryo transfer. Meta-analysis of clinical pregnancy rate, sensitivity analysis, fixed effects model.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions

4. Figure 3
(a) Transabdominal ultrasound (TA-US) versus clinical touch embryo transfer. Meta-analysis of ongoing and live birth rate, random effects model; (3b) TA-US versus clinical touch embryo transfer. Meta-analysis of ongoing and live birth rate, sensitivity analysis, fixed effects model.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions

5. Figure 4
Transabdominal ultrasound versus clinical touch embryo transfer. Meta-analysis of ectopic pregnancy rate, fixed effects model.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions

6. Figure 5
Transabdominal ultrasound versus clinical touch embryo transfer. Meta-analysis of miscarriage rate, fixed effects model.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions

7. Figure 6
Transvaginal ultrasound versus transabdominal ultrasound embryo transfer. Meta-analysis of clinical pregnancy rate, fixed effects model.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions

8. Figure 7
Transvaginal ultrasound versus transabdominal ultrasound embryo transfer. Meta-analysis of ongoing and live birth rate, fixed effects model.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions