Crotch lightning

OK so I've been feeling braxton hicks few days and seen my midwife today she said if baby doesn't come by the 38 weeks mark u can have a sweep so I was gonna take that up but all day today I've been having period like pains and tight stabbing pains in my crotch area between vagina and thigh it's hard to explain so tried drawing red line where abouts it is but it gets worse when walking some people say it could be the sar tof labour what do u guys think?