Hmm, 16 weeks dengan baby baru 70g memang masih very early lagi so technically tak ada pressure yet, tapi kalau your own weight tak naik langsung, better check dengan doctor sebab they need to see the full picture, whether baby growing okay, placenta develop fine, and you're eating enough untuk support pregnancy.
Aku dulu pregnancy pertama pun slow weight gain awal-awal, pastu semua catch up around 20+ weeks, so it happens, but really kena confirm dengan your OB je so you both relax and make sure everything's on track!