When you are pregnant the progesterone produced relaxes all your ligaments to enable the joints of your pelvis to alter slightly during labour. Sometimes this goes a little too far and what would be a little injury when not pregnant knocks a joint a bit further, this may be what has happened to you. You may have just sat down a bit hard, if you were not pregnant you wouldn't even have noticed. AS it is really bothering you I suggest you see your doctor and ask what pain medication you can take.
At 14 weeks pregnant the baby is still positioned mostly behind the pelvic bone. The growth of a uterus at 14 weeks gestation is about a inch above the top of the pelvic bone.
You should have an ultrasound done if you believe you may be pregnant with twins, at seven weeks the uterus is behind your pelvic bone, not yet visible except by trans-vaginal scan.
By the 'chest bone' do you mean the sternum? And which 'lower leg bone', the tibia or the fibula? If by 'chest bone' you mean the sternum, both of the 'lower leg bones' are longer.
the lower bone in your hip is called the?
Tibia is the medial bone of the lower extremity
Radis
No, your uterus doesn't even rise up out of your pubic bone until 12 weeks, so at 13 weeks, your uterus is still very low in your abdomen, and you are likely not even showing yet.
lumbar vertebra
No
Your pubic bone is always hard, it is a bone, bones are hard, nothing to do with being pregnant.
ulna bone
The lower teeth are held in place by the mandible, which is the bone forming the lower jaw. It is a strong and movable bone that houses the teeth on the lower part of the face.