But, back to your question about sores in the mouth during oral sex: If the person performing oral sex has a canker sore in her/his mouth, and s/he comes into direct contact with her/his partner's semen, vaginal fluids, or blood, s/he may well be increasing her/his risks of contracting HIV from her/his partner if s/he is infected.
A child can be either too heavy, too tall, or bothâbut all of this depends on the specifcations of the car seat. Each car seat has its own height and weight limits for rear-facing children. Most convertible seats allow children to sit rear-facing up to 35, 40 or 50 pounds. The height limit for most rear-facing car seats is that there must be at least 1 inch of room between the top of the childâs head and the top of the car seat.
1 Use as Rear-facing baby car seat from 4 to 40 pounds. 2  Use as Forward-facing toddler car seat from 20 to 65 pounds.  Booster seats in high back belt-positioning mode from 30 to 100 pounds and backless belt-positioning mode from 40 to 120 pounds.