Table 1.

Fold‐change in mRNA expression of the ATP‐binding cassette (ABC) transporters, obtained from the Human ABC Transporters Taqman^® Array, comparing term (n = 12) to first trimester (n = 8) human placentae

Name	Fold‐change	Name	Fold‐change	Name	Fold‐change	Name	Fold‐change
ABCA1	2.14***	ABCA12	0.56*	ABCB11	0.16***	ABCD1	1.18
ABCA2	0.62**	ABCA13	0.42*	ABCC1	1.06	ABCD2	1.60
ABCA3	2.38**	ABCB1	0.73	ABCC2	0.48***	ABCD3	0.62***
ABCA4	0.68	ABCB2	0.59**	ABCC3	4.13***	ABCD4	0.92
ABCA5	1.73**	ABCB3	0.92	ABCC4	0.55***	ABCE1	0.64***
ABCA6	2.63***	ABCB4	0.28***	ABCC5	1.12	ABCF1	0.76**
ABCA7	1.25	ABCB6	0.69**	ABCC6	1.29	ABCF2	0.64***
ABCA8	3.74**	ABCB7	0.65***	ABCC7	1.42	ABCF3	0.74***
ABCA9	3.02***	ABCB8	0.83*	ABCC9	0.77	ABCG1	2.73***
ABCA10	4.45***	ABCB9	0.33***	ABCC10	1.07	ABCG2	0.80
ABCA11	1.64*	ABCB10	0.58**	ABCC11	1.83*	ABCG4	0.47**

Fold‐change was calculated as the ratio between term and first trimester expression. Fold‐change >1 indicates increased expression; <1 indicates decreased expression.

*P < 0.05, **P < 0.01 and ***P < 0.001.