Your window of getting pregnant is between 18th Feb - end of April 2023. Its a time when you can bear a child and any efforts towards that end will get you pregnant.
But children in your charts will come after great difficulty and hence although this wondow exists, unless you strongly have a will and intent, you won't get pregnant.
Hope this clarifies your query.
Moon-Mercury dasha with mercurt being 5th house lord and transit jupiter in 11th house can bring child birth or conception possibility.
Jupiter being in 5th house in lagna and D-9 or navamsha charts will make early birth of children difficult unless pursued with great intent