Slight bleeding after inserting a copper IUD

Q: I have recently inserted a copper IUD which is causing me to bleed very slightly. I am 47 years old, with 4 children and have used the copper IUD for many years. My doctor tells me that it is normal to bleed slightly like this after copper IUD insertion and it can take up to 4 or 6 months for my body to adjust. Since this is not my period I considered my condition to be that of istihaada. I was washing myself every time and making a fresh wudu every time. But if this is going to take several months or even weeks, should I continue to make fresh wudu and wash myself all the time? What do I do if my period doesn't return within some time? Please advise

Doubts in salaah

Q: Most of the time, I feel during Salah, I didn't do sujood or didn't recite Surah Fatiha, or didn't say tashahhud or didn't pray complete rakaats so I most of the time do Sajda Sahw. Am I doing it correct?