I actually disagree with Sopdet. Essential oils are powerful and can have a very positive effect, especially if used in an oil rub. You need to decide what you want (relaxation, invigoration, etc) and have a smell to see which ones you like. Generally I like a blend with clary sage (which strengthens contractions) and lemongrass (which is energising) for labour but if you don't like the smell it won't work well for you. Also helpful is jasmine (for contractions) and lavender (for relaxation) but there are many more out there. I suggest you have a bit of a research to see what they all do, then have a smell to see what you like, and make up a blend that suits you in a carrier oil such as sweet almond oil or grape seed oil. Happy smelling