im 20 weeks on sunday and havin been feeling buba since 15.5 weeks and alot since 17 weeks. i always feel bump when i get in to bed and try to go sleep but over the last two days i havent really felt bump its starting to worry me. should i be worried or is he/she just being lazy ? should i call my midwife or wait til 20 week scan on tuesday. advice would really be appreciated