Implantation is where the fertlised egg attaches to the uterus (womb) lining where the cells will rapidly multiply to become a baby. This can sometimes cause mild cramping, and this is what implantation cramping is
4dpo for implanation seems a little fast (it's usually between 5-10 days, possible even 14?), but I'm sure it's possible. The cramping may be implantation cramping, and the second BBT rise may indicate this as well (a triphasic pattern).
development of the zygote in the uterus
No, sex has no effect on implanation of the egg.
Placenta accreta is abnormal implantation of the placenta.
what is a cramping tool
calambres = cramps dando calambres = cramping apretando = cramping, restricting
period pain is more lower than cramping and cramping is more pain when you are moving(motion)
Implantation cramoing is more in the upper perinium and the menstrual cramping is more in the perinial area.
exercise
no. any cramping or pain should be discussed with your doctor
This is most likely post period PMS cramping. Your Uterus can continue to contract and cause cramping for a few days after your period. This is normal.
This is most likely post period PMS cramping. Your Uterus can continue to contract and cause cramping for a few days after your period. This is normal.