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Treatment success rates from 2005-2009 are given below.
Our results for 2009 once more surpass the Danish National IVF results. About 40% of women less than 40 years will have a positive pregnancy test after embryo replacement.
In 2009, we have worked hard to reduce the number of twin pregnancies in women 35-39 years by increasing the number of single embryo transfers. This has decreased our success rate in this age group a little bit.
In 2009, 15,4% of women under 35 years had a twin pregnancy and 12,1% of women 35-39 years old.
For women of 40 years and more, the results are stable because relatively more embryos are transferred. In this group 17,9% had a twin pregnancy.
There are many reasons why in vitro fertilisation does not result in pregnancy – and new reasons are discovered all the time.
The following factors may play a part:
-
The woman’s age determines the pregnancy rate
-
Even embryos that look normal may stop developing
-
The uterine mucosa is unable to receive the embryos at the time of transfer
-
Uterine fibromas reduce the pregnancy potential
-
Hydrosalpinges (fallopian tubes filled with fluid) reduce the pregnancy potential
-
Endometriosis interferes with oocyte and endometrial quality
-
Very reduced sperm quality decreases the chance of correct fertilization
The results for 2005-2009:
IVF/ICSI (TESA included)
|
2005
-2008 |
2009 |
|
Women less than 35 years |
positive pregnancy test after
embryo transfer |
43,8%
|
46,0%
|
| living foetus week 8 |
36,7%
|
41,3%
|
|
|
Women
35 - 39
years |
positive pregnancy test after
embryo transfer |
40,2%
|
34,4%
|
| living foetus week 8 |
31,8%
|
26,4%
|
|
|
Women
40 - 43
years |
positive pregnancy test after
embryo transfer |
25,8%
|
33,1%
|
|
living foetus week 8 |
17,20% |
23,7% |
For comparison, the Danish National data report 25,9% living foetus per transfer for all women up to 40 years and 11,0% for women over 40 years.
|
Insemination with the husbands
semen |
2005
-2008 |
2009 |
|
Women
less than
35 years
|
positive pregnancy test |
18,2%
|
19,5%
|
| living foetus week 8 |
15,9%
|
16,8%
|
|
|
Women
35 - 39
years |
positive pregnancy test |
17,5%
|
16,0%
|
| living foetus week 8 |
14,5%
|
13,6%
|
|
|
Women
40 - 43
years |
positive pregnancy test |
13,6%
|
12,0%
|
| living foetus week 8 |
8,5%
|
10,7%
|
For comparison, the Danish National data report 14,7% living foetus per insemination for all women less than 40 years and 5,6% for women 40 years and older. The pregnancy rates for women over 43 years are extremely low. Therefore, we do not perform inseminations in this group but recommend IVF.
| Insemination with donor semen |
2005
-2008
|
2009
|
|
Women
less than 35 years
|
positive pregnancy test |
22,0%
|
33,1%
|
| living foetus week 8 |
19,2%
|
27,1%
|
|
|
Women
35 - 39
years |
positive pregnancy test |
20,8%
|
23,3%
|
| living foetus week 8 |
15,7%
|
19,0%
|
|
|
Women
40 - 43
years |
positive pregnancy test |
12,0%
|
12,0%
|
| living foetus week 8 |
8,3%
|
7,2%
|
For comparison, the Danish National data report 13,6% living foetus per insemination for all women less than 40 years and 4,9% for women 40 years and older. The pregnancy rates for women over 43 years are extremely low. Therefore, we do not perform inseminations in this group but recommend IVF.
|