“…Several drugs which are relatively contraindicated in pregnancy were proposed for treatment, such as ketanserin, d‐penicillamine (Lyle 1978), and captopril (Baethge & Wolf 1989). Corticosteroids (Hoffman & Diamond 1961) and colchicine (Guttadauria et al . 1977) are not contraindicated in pregnancy but were not sufficiently effective.…”