They cover prenatal diagnosis , the screening and management of congenital anomalies , antepartum fetal surveillance , preterm labor , premature rupture of membranes , prolonged pregnancy , hemorrhage , multifetal pregnancy , malpresentations , critical care issues , drugs , and anemia , hypertensive disorders , diabetes , heart disease , epilepsy , ...
The Incas built a large system of roads that went throughout their empire. The roads were usually paved with stone. Stone steps were often built into steep areas in the mountains. They also built bridges where the roads needed to cross rivers.he Inca were able to create sturdy stone buildings. Without the use of iron tools they were able to shape large stones and have them fit together without the use of mortar.
The Roman Road Network. The Romans did not invent roads, of course, but, as in so many other fields, they took an idea which went back as far as the Bronze Age and extended that concept, daring to squeeze from it the fullest possible potential. The first and most famous great Roman road was the Via Appia (or Appian Way). Constructed from 312 BCE and covering 196 km (132 Roman miles), it linked Rome to Capua in as straight a line as possible and was known to the Romans as the Regina viarum or 'Queen of Roads'.