What is the safest method to wear my baby?

Please ensure that you get reputable brands of baby carrier or they are not counterfeit products. Select the carrier that is suitable for your baby now and follow the instructions. Take note of the five points for safe babywearing, TICKS, and you should be enjoying babywearing safely. http://www.schoolofbabywearing.com/Images/TICKS.pdf

I would say go with what is most comfortable to you and your baby. Identify a few and try all of them out before settling on one. If you use a baby carrier with you baby facing towards you, just make sure baby has enough space to move their head around so his or her breathing isn't obstructed.