Today I went through TIFFA scan..I have some doubts on it..please clarify who knows about it..this…

Today I went through TIFFA scan..I have some doubts on it..please clarify who knows about it..this is my first time pregnancy and my in laws are not at all supporting to me..

Placenta: Fundal, Posterior, Grade I, intact not reaching the lower segment

cervix measuring 4.0 cm in length., internal OS is closed

IS IT NORMAL..

please anybody help