My friend went through her third pregnancy at 46 and she said the key thing her O&G at KKH kept emphasising was just staying on top of all the screenings and not skipping any appointments. She felt more tired than her earlier pregnancies but otherwise managed well, and having done it before actually made her feel calmer about the whole journey. You've got this, and I'm sure there are more mums here who've been through it too lah.