You will be suprised of how strong you can be during labour, the worst part for me was the contractions, i did have gas and air but as i was throwing up on it i left it and had a no pain relief birth. Its normal to worry but sometimes worrying so much can make it worse , like others have said try some relaxation. Once that baby comes all that pain goes out the window. Its amazing how other women incl myself go on to have more babies. You will be fine 
