Table II.

Failure rates for IUD use as emergency contraception, by country.

Country	Population	Pregnancies	Rate (%)	Exact 95% CI (%)
China	5629	6	0.11	0.05	0.23
UK	496	0	0.00	0.00	0.70
USA	401	0	0.00	0.00	0.85
Italy	253	0	0.00	0.00	1.38
Egypt	200	4	2.00	0.69	5.03
The Netherlands	55	0	0.00	0.00	5.93
Total	7034	10	0.14	0.08	0.25
Total excluding Egypt	6834	6	0.09	0.04	0.19