If you are still breastfeeding, you could try nursing her to sleep.
It could also be due to the position or the way you carry her. Try to find a position which she likes being carried in.
For mine, she likes being upright and is likelier to wail when she is carried in a cradle position.
Try singing to her softly whilst carrying her as your voice is the most familiar to her and will soothe her.
http://sg.theasianparent.com/seven-sure-fire-ways-to-get-babies-to-sleep/
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