1. Write يا مَتِيْنُ on a blank piece of paper, soak in water and drink.
Some Aamils recommend writing it 90 times on the paper.
2. Write the entire Surah Hujuraat on a page with an edible ink marker. Soak the page in water and give the woman to drink. (Remember to always bury the page after use)
Alternatively, one may recite the entire surah Hujuraat, blow in the water and give the woman to drink.
3. Write the following Aayaat on a blank piece of paper, make into a taweez and the woman should tie it around her right arm. She should also write the aayaat with edible ink on a page, soak it in water and drink the water for a few days.
بِسْمِ اللَّهِ الرَّحْمَٰنِ الرَّحِيمِ اللَّهُ يَعْلَمُ مَا تَحْمِلُ كُلُّ أُنثَىٰ وَمَا تَغِيضُ الْأَرْحَامُ وَمَا تَزْدَادُ ۖ وَكُلُّ شَيْءٍ عِندَهُ بِمِقْدَارٍ عَالِمُ الْغَيْبِ وَالشَّهَادَةِ الْكَبِيرُ الْمُتَعَالِ (الرعد: 8-9)
4. Collect a jug of fresh rain water and recite the following verses 101 times and blow on it. Give the woman to drink. InshaAllah her milk supply will increase:
وَهِيَ تَجْرِي بِهِمْ فِي مَوْجٍ كَالْجِبَالِ (الهود: 42)
فِيهِمَا عَيْنَانِ تَجْرِيَانِ (رحمن: 50)
5. Write Surah Yaseen on a blank piece of paper with saffron or edible ink. Soak it in a jug of water and give the woman to drink. InshaAllah her milk supply will increase. If one finds It difficult to write the entire surah Yaseen, one may recite it and blow on the water.