Positive tapi period..

29/8 & 30/8 pagi saya buat test pregnant #firstbaby sebelom date period sy (1/9) and result positif.. ikot kan date test pregnant tu usia kandungan 4weeks..30/8 petang sy period..smpai 3/9 lastday period sy... Pagi ni sy test pregnant negative... adakah pregnancy test bole dpt kan false result..?? #ingintahu