Pages not getting indexed in new wordpress site

I just redeveloped the old site in wordpress and installed yoast for SEO . but its been around 2 months and my sites new pages are not getting indexed .

i check out the forums a month back and found the below setting enabled
Admin > Settings > Reading > Search Engine Visibility > Discourage search engines from indexing this site

So i disabled it around month back but still my main pages are not indexed ..

M really clueless what else should i do …

one of such url is
https://changyubio.com/product-category/freunds-adjuvant/

Please guide me on this

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