Can I combine Lametta with Lutenyl and take them together?

No, these drugs do not have a similar composition and can not be treated as their substitutes. Lametta is an anticancer drug. As an active substance contains letrozole - a non-steroidal aromatase inhibitor. This medicine is used as an adjuvant treatment in postmenopausal women with invasive breast cancer at an early stage. I enclose a description of the preparation you are taking: https://www.gdziepolek.pl/produkty/42325/lametta-tabletki-powlekane/ulotka/83916 Lutenyl is a drug containing nomegestrol, used to compensate for progesterone deficiencies. This drug is used in m.in menstrual disorders associated with reduced or no progesterone secretion in premenopausal women. I enclose a description of the preparation you are taking: https://www.gdziepolek.pl/produkty/45336/lutenyl-tabletki/ulotka/55468 These medicines are subject to prescription, so the legitimacy and need for their joint use is determined by the doctor. There should be no adverse drug interactions between these drugs.