Memperbaiki kesehatan dari sebelum hamil memang baik, tetapi stunting tetap dipengaruhi oleh pertumbuhan selama kehamilan dan dua tahun pertama kehidupan.
Dalam tindak lanjut studi Women First, intervensi nutrisi prakonsepsi memperbaiki jalur pertumbuhan anak hingga usia 2 tahun. Namun, perbedaan angka stunting pada usia 2 tahun tidak lagi signifikan antara kelompok intervensi dan kontrol. Panjang badan saat lahir justru menjadi prediktor terkuat pertumbuhan berikutnya.
Temuan tersebut menunjukkan dua hal. Pertama, memperbaiki pertumbuhan janin sejak awal memang penting. Kedua, manfaatnya harus dilanjutkan dengan pemeriksaan kehamilan, nutrisi yang cukup, pemberian ASI, MPASI berkualitas, imunisasi, penanganan infeksi, air bersih, sanitasi, dan pemantauan pertumbuhan anak.
Pencegahan stunting sebelum hamil bukan cuma minum vitamin atau menambah berat badan. Yang terpenting adalah memulai kehamilan dengan status gizi baik, anemia dan penyakit lain teratasi, membiasakan hidup sehat, serta mendapatkan dukungan keluarga dan layanan kesehatan.
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