Hindi ko talaga sure kung safe ang tiger balm patch sa 15 weeks kaya mas better talaga na i-check mo muna with your OB, lalo na since yan ay medicated, better safe than sorry during pregnancy! What a few of us moms do para sa shoulder at arm pain is gentle stretching, warm compress, or massage from hubby, pero honestly kung persist pa rin seryoso na siya i-mention sa doctor mo para may proper recommendation based sa pregnancy mo.