A 32 year female goes to Infertility clinic with regular cycle of 28 days. What should be evaluated ?
1. LH level at 21 days
2. Progesterone 21 days
3. LH at 14 days
4. Progesterone at 14 days
1. LH level at 21 days
2. Progesterone 21 days
3. LH at 14 days
4. Progesterone at 14 days