Table 2. Anticoagulation regimens of patients.

	1-6 weeks (pregnancy diagnosed)	6-12 weeks	12-36 weeks	36-38 weeks	Number of pregnancies (n)
Group 1	OAC	LMWH	OAC	LMWH	25
Group 2	OAC+ASA	OAC+ASA	OAC+ASA	UFH	31
Group 3	No AC	No AC	No AC	No AC	8
Group 4	LMWH	LMWH	LMWH	LMWH	8
OAC: Oral anticoagulation (warfarin); LMWH: Low-molecular weight heparin; ASA: Acetylsalicylic acid; UFH: Unfractionated heparin; No AC: No anticoagulation.