Table 1. Rate of development of transferred embryos.
Sperm Donation
(N=184)
Oocyte Donation
(N=54)
Age (years)
Min
Max
Mean

23
41
32.89

23
40
35.48
Infertility
Primary
Secondary

91.8%
8.2%

90.7%
9.3%
Time Infertility (months)
Min
Max
Mean

4
412
61.9

24
228
79.09
Attempts
First
Second
Third

65.8%
25.5%
8.7%

88.9%
7.4%
3.7%
Causes
Azoospermia
Male + Female
Genetic
Monoparental
Transsexual
Oocyte Factor
Previous unsuccessful cycles

79.9%
14.1%
3.8%
1.1%
1.1%
-
-

-
13%
7.4%
-
-
75.9%
3.7%
Techniques
IUI
IVF
ICSI

38.6%
55.4%
6%

-
44.4%
55.6%
β-hCG
Min
Max
Mean

5.3
11669
601.7

10
7937
1000
Number of Embryos with cardiac activity
0
1
2
3
4

5.4%
70.1%
22.8%
1.1%
0.5%

9.3%
66.7%
24.1%
-
-

β-hCG: beta-human chorionic gonadotropin; ICSI: intracytoplasmic sperm injection; IUI: intrauterine insemination; IVF: in vitro fertilization.