2000美國地區人工協助生殖之統計分析
美國疾病管制中心
Assisted Reproductive
Technology Reports
| Outcome of ART cycles using
fresh, nondonor eggs or embryos |
- 74,957 cycles started
- 64,280 retrievals, which
is 85.8% of the total number of cycles started
- 60,299 transfers, which is
93.8% of the total number of retrievals
- 23,042 pregnancies, which
is 38.2% of the total number of transfers
- 19,042 live birth
deliveries, which is 82.6% of the total number of pregnancies
Overall, 25.4% of live births
deliveries resulted from ART cycles using fresh, nondonor eggs or embryos in
2000.
| Outcome of ART cycles by age |
| ..... |
|
|
|
|
|
|
| .......... |
Age |
Trtrieval rate % |
Transfer rate % |
Pregnancy rate % |
live birth rate % |
.......... |
| |
<35 |
90 |
85 |
38 |
33 |
|
| |
35-37 |
86 |
81 |
32 |
27 |
|
| |
38-40 |
81 |
76 |
25 |
18 |
|
| |
41-42 |
77 |
71 |
16 |
10 |
|
| |
>42 |
73 |
64 |
8 |
4 |
|
| What percentage of ART cycles
results in a pregnancy? |
- No pregnancy 68.6%
- Ectopic pregnancy 0.6%
- Clinical pregnancy 30.7%,
which is further subdivided as follows:
- Single-fetus pregnancy
17.9%
- Multiple-fetus pregnancy
11.1%
- Not able to determine
the number of fetuses because the pregnancy ended in miscarriage 1.7%
| What percentage of
pregnancies results in live births? |
- Total live births 82.6%,
which are subdivided as:
- Singleton births 53.7%
- Multiple-infant births
28.9%
- The remaining 17.4% are
subdivided as follows:
- Miscarriages 14.9%
- Induced abortions 0.9%
- Unknown (Lost to follow
up) 1.0%
- Stillbirths 0.6%
| Pregnancy and live birth rates
for ART cycles using fresh, nondonor eggs or embryos, by age of woman |
- Age 22, Pregnancy rate 34.8%, Live birth rate 28.3%
- Age 23, Pregnancy rate 36.5%, Live birth rate 33.3%
- Age 24, Pregnancy rate 39.7%, Live birth rate 33.0%
- Age 25, Pregnancy rate 39.3%, Live birth rate 35.2%
- Age 26, Pregnancy rate 39.8%, Live birth rate 35.0%
- Age 27, Pregnancy rate 41.2%, Live birth rate 35.5%
- Age 28, Pregnancy rate 38.4%, Live birth rate 33.6%
- Age 29, Pregnancy rate 37.4%, Live birth rate 32.8%
- Age 30, Pregnancy rate 39.1%, Live birth rate 34.7%
- Age 31, Pregnancy rate 37.2%, Live birth rate 32.4%
- Age 32, Pregnancy rate 38.2%, Live birth rate 33.3%
- Age 33, Pregnancy rate 37.1%, Live birth rate 32.1%
- Age 34, Pregnancy rate 35.4%, Live birth rate 30.1%
- Age 35, Pregnancy rate 33.9%, Live birth rate 28.4%
- Age 36, Pregnancy rate 31.3%, Live birth rate 26.1%
- Age 37, Pregnancy rate 31.5%, Live birth rate 25.6%
- Age 38, Pregnancy rate 28.4%, Live birth rate 22.4%
- Age 39, Pregnancy rate 23.4%, Live birth rate 17.3%
- Age 40, Pregnancy rate 21.5%, Live birth rate 15.2%
- Age 41, Pregnancy rate 18.1%, Live birth rate 11.7%
- Age 42, Pregnancy rate 13.3%, Live birth rate 8.1%
- Age 43, Pregnancy rate 10.3%, Live birth rate 5.3%
- Age 44, Pregnancy rate 6.7%, Live birth rate 2.1%
- Age 45, Pregnancy rate 5.2%, Live birth rate 1.3%
- Age 46, Pregnancy rate
4.7%, Live birth rate 3.1%
| Miscarriage rates
among ART cycles using fresh, nondonor eggs or embryos, by age of woman |
- <Age 24, 13.7%
- Age 24, 16.9%
- Age 25, 10.6%
- Age 26, 12.1%
- Age 27, 13.8%
- Age 28, 12.6%
- Age 29, 12.3%
- Age 30, 11.2%
- Age 31, 12.8%
- Age 32, 12.9%
- Age 33, 13.3%
- Age 34, 14.9%
- Age 35, 16.1%
- Age 36, 16.8%
- Age 37, 18.5%
- Age 38, 21.1%
- Age 39, 26.0%
- Age 40, 29.3%
- Age 41, 35.5%
- Age 42, 38.9%
- Age 43, 48.3%
- Age 44+, 64.4%
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