As per your chart, there is no delay indicated with respect to having children. The current ongoing time is quite conducive and positive to you in most matters of your life.
Further analysis can be taken up with the chart of the prospective partner. You may like to take professional medical advice as well in this case.
A proper and well advised food course for keeping the body cool, among others, is important along with medical advice.
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Vrischika Lagna with the Lagna lord mars posited in the second house conjunct Venus; Moon posited in the Lagna in debilitation; Fifth lord Jupiter posited in the third house in debilitation and retrograde Saturn posited in the fifth house; Venus Maha Dasha with Venus Antar Dasha ongoing currently.