Talk to Gynecologist on Travelling During 16th Week Of Preganncy

In Pakistan karachi roads are mostly bumpy. Meri wife 16th week pregnant hai or jis jaga wo rehti hai wahan k roads kafi khrab hen jhatkay wgera lgte hen.. to kia us ko car se travel krna avoid krna chaye.. meri wife ek hafte se roz travel kr rhi hai Kiun k meri walida yani meri wife ki saas jahan bhi jati hen usy apne sath le k jati hen to ye pregnancy k lye kitna khatarnak hai or kis trha avoid krna chaye? Or ye kis tarha pata chle ga k Allah na kre koi masla (miscarriage) hua hai ya nahi?