 [ Symptoms ] late period brown spotting instead can it be pregnancy but i did not have sex after my last period i had protected sex in the end of auguston the ovulation day i had my period in september as usual now i am 3 days late experienced light cramping yesterday similar to period cramping but instead of bleeding there was little brown spotting today there is no spotting no cramping and no sign of blood inside i took melatonin for a week but stopped a few days ago i was sick for a day three weeks ago nausea and vomiting only lasted for one day lately i have been a bit stressed [ Disease ] both men and women have 24 ribs twelve on each side each rib is attached to a spinal bone thoracic vertebra in the back the first seven pairs of ribs join the breastbone sternum in the center of the chest the front ends of the eighth ninth and 10th pairs are connected to the ribs above them the 11th and 12th pairs are called “floating ribs ” because they are anchored in place only by connective tissue one in every few hundred people have an extra rib these are called cervical ribs because they arise from one of the spinal bones in the neck cervical vertebrae