Table 1.

Overview of outcomes of pregnancies with accidental exposure to immunomodulatory drugs. (Adapted from Lu et al. [2012].)

	Interferon β	Glatiramer acetate	Natalizumab
Shorter birth length, mean	Yes	Unknown	No
Lower birth weight, mean	Yes	No	No
Birth weight <2500 g	No	Unknown	Unknown
Preterm birth <37 weeks	Yes	No	Unknown
Lower gestational age, mean	No	Unknown	No
Spontaneous abortion	No	No	Unknown
Caesarean delivery	No	Unknown	Unknown
Congenital anomaly	No	No	Unknown