help am worried and lose ๐Ÿ˜”

Maricica โ€ข Mummy to Ella born sleeping 23/7/17 ๐Ÿ‘ผ๐Ÿป๐Ÿ’ mummy to josh born 19/5/18 ๐Ÿ’™๐ŸŒˆmummy to maddie born 18/5/20 ๐Ÿ’–๐ŸŒˆ
Is it possible I could have ovulation on cycle day 20 I did think I ovulation on cycle day 14 but on cycle day 20 I had a lot of egg whites cm and lot of back pain I never had that on cycle day 14 am not sure what is going on with my bbt ๐Ÿ™„