| Study |
Blastocyst formation rate |
Implantation D2/3 |
Implantation D5/6 |
Other |
| Aziminekoo 2015 |
22.4% |
21/173; 12.1% |
22/152; 14.5% |
|
| Brugnon 2010 |
Not stated |
24/52; 46.2% |
23/55; 41.8% |
|
| Bungum 2003 |
55.2% |
50/114; 43.9% |
44/120; 36.7% |
2/61 participants had only 1 blastocyst |
| Coskun 2000 |
28% |
50/235; 21.3% |
52/218; 23.9% |
77% participants had at least 1 blastocyst |
| Devreker 2000 |
Not stated |
1/34; 2.9% |
8/19; 42.1% |
|
| Elgindy 2011 |
97% |
71/197; 36% |
53/280; 19% |
|
| Emiliani 2003 |
48% |
57/197; 28.9% |
50/168; 29.8% |
|
| Fernandez‐Shaw 2015 |
67.7 % |
20/71; 28.1% |
36/84; 42.8% |
|
| Fisch 2007 |
Not stated |
11/12; 92% |
4/8; 50% |
|
| Frattarelli 2003 |
Not stated |
18/69; 26.1% |
23/53; 43.4% |
|
| Gaafar 2015 |
Not stated |
Not stated |
Not stated |
|
| Gardner 1998a |
46.5% |
64/174; 36.8% |
53/95; 55.8% |
85% women had at least 2 blastocysts |
| Hatirnaz 2017 |
52.6% |
45/95; 47.4% |
43/95; 45.3% |
|
| Hreinsson 2004 |
33% |
29/139; 20.9% |
24/114; 21.1% |
2 morula replaced (one implanted). 60% pregnancy rate when top‐quality blasts transferred |
| Karaki 2002 |
33% |
37/291 12.7% |
37/142; 26.1% |
9/80 cancelled due to lack of blastocysts (unselected) |
| Kaser 2017 |
Not stated |
23/56; 41.1% |
26/53; 49.1% |
|
| Kaur 2014 |
Not stated |
66/309; 21.4% |
102/290; 35.2% |
|
| Kolibianakis 2004 |
50.7% |
96/234; 41.0% |
94/226; 41.6% |
|
| Levi‐Setti 2018 |
Not stated |
25.67% |
28.37% |
|
| Levitas 2004 |
43% |
4/56; 7.1% |
10/24; 4.2% |
Day 5‐7 26% cancelled due to lack of blastocysts (poor prognosis) |
| Levron 2002 |
34.2% |
53/137; 38.7% |
20/99; 20.2% |
6.5% cancelled due to lack of blastocysts (good prognosis) |
| Livingstone 2002 |
Not stated |
|
|
|
| Motta 1998 |
Not stated |
51/262; 19.5% |
36/120; 30.0% |
6/58 cycles cancelled D5 no blastocysts |
| Pantos 2004 |
44.6% |
15.8% |
15.8% |
|
| Papanikolaou 2005 |
Not stated |
35/170; 20.6% |
59/158; 37.3% |
4/158 women had only 1 blast transferred due to lack of availability and 1 had it on request |
| Papanikolaou 2006 |
Not stated |
38/156; 24% |
58/149; 38.9% |
Number of participants with no embryos available D3: 8 and D5: 11 |
| Rienzi 2002 |
44.8% |
34/96; 35.4% |
38/100; 38.0% |
Good prognosis |
| Schillaci 2002 |
60.3% |
23/168; 13.7% |
26/110; 23.6% |
Unselected population nil cancellations D5 |
| Singh 2017 |
Not stated |
Not stated |
Not stated |
|
| Ten 2011 |
Not stated |
21/54; 38.9% |
26/56; 46.4% |
Good prognosis |
| Van der Auwera 2002 |
44.7% |
31/106; 29.2% |
41/90; 45.6% |
27% cancellation D5 (unselected population) |
| Yang 2018 |
Not stated |
80/290; 62.1% |
22/306; 72.5% |
|
