TABLE 2.
Prevalence per 1000 livebirths for cerebral palsy among children born in Norway from 2002 to 2015, after various methods of assisted reproductive technology and main causes of infertility.
| CP after ART N | All after ART N | CP per 1000 LB (95% CI) | |
|---|---|---|---|
| ART methods | |||
| IVF | 62 | 13 086 | 4.74 (3.70–6.07) |
| ICSI | 31 | 10 190 | 3.04 (2.14–4.31) |
| IVF and ICSI | 2 | 152 | 13.16 (3.62–46.70) |
| Unknown | 2 | 217 | 9.22 (2.53–32.98) |
| Main infertility causes | |||
| Maternal | 48 | 8382 | 5.73 (4.32–7.58) |
| Fallopian tube factor | 17 | 3373 | 5.04 (3.15–8.06) |
| Endometriosis | 12 | 2093 | 5.73 (3.28–10.00) |
| Ovarian factor | 19 | 2916 | 6.52 (4.18–10.15) |
| Paternal | 29 | 9072 | 3.20 (2.23–4.59) |
| Other | 20 | 6191 | 3.23 (2.09–4.98) |
Abbreviations: ART, assisted reproductive technology; CP, cerebral palsy; ICSI, intracytoplasmic sperm injection; IVF, in vitro fertilization; LB, live birth.