I think I'm close to going into labor

Adina • I`m 24 with a 2 year old boy and another on the way. Married for 3 yrs.
38+5. I had contractions yesterday on & off throughout the day & then they stopped. This morning me & my husband had sex & that usually gets more contractions going at this point in pregnancy. So I've been having contractions since 9am this morning & it is now 1:43pm & I'm still having them about a minute apart Every 10 mins. I also had my weekly check up today & when she checked me I was 1 cm & he's head down. She said there was a lot of pressure as well. I wonder how long it'll take from here for me to dilate more! So ready for baby to come.