Perinatal mortality following assisted reproductive technology treatment in Australia and New Zealand, a public health approach for international reporting of perinatal mortality

Table 1 Definitions of perinatal mortality internationally

Country or Institution	Perinatal death
Country or Institution	Fetal death		Neonatal death
	Gestational age weeks	Birthweight grams	Days
New Zealand	20	400	<28
International Committee Monitoring Assisted Reproductive Technologies (ICMART)	20	–	< 7
Australia	20	400	< 28
Canada	20	–	< 7
United States	20	350	< 28
Latin America	20	–	< 28
Europe¹	22	500	< 7
Europe²	22	–	< 7
Europe³	22	1000	< 7
Japan	22	–	< 7
World Health Organization (WHO) (national reporting)	22	500	< 7
Europe⁴	24	–	< 28
UK	24		<7
WHO (international comparison)	28	1000	< 7
Europe⁵	28	–	< 7

ISSN: 1471-2393