TMI Pic!! Possible Implantation bleeding

Michelle • I`m 24 baby Declan arrived 08/07/2017! I have 3 angel babies.06/18/15 and mono-mono twins on 06/27/16.
On the 16th (7 dpo) I had some cramping off and on and then on the 18th (9dpo) I had very light pink cm that was watered down for about an hour and nothing since. Could this be implantation bleeding? 
Also since the bleeding I have had this cm that looks like egg white cm but I know I already ovulated since I had egg white cm last Wednesday and my period is due in 4 days now. When should I test?
Here is the cm would I mark it was egg white cm or what?