Antibiotic	Teratogenicity risk/data available	FDA Pregnancy Category
Amoxicillin	Unlikely/fair	B
Chloramphenicol (Chloromycetin)	Unlikely/fair	C
Ciprofloxacin (Cipro)	Unlikely/fair	C
Clindamycin (Cleocin)	Undetermined/limited	B
Doxycycline (Vibramycin)	Unlikely/fair	D
Gentamicin	Undetermined/limited	C
Levofloxacin (Levaquin)	Unlikely/fair	C
Penicillin G	None/good	B
Penicillin V potassium (V-Cillink)	None/good	B
Rifampin (Rifadin)	Unlikely/limited to fair	C
Vancomycin	Undetermined/very limited	B