Baffling her husband and others, Sriyani (32), a woman without the normal signs and characteristics of pregnancy, has given birth to a baby in the bathroom of her house near here.

Her husband, Indra Agus Wahyudi (35) was shocked and perplexed to find that his wife, who still had a normal monthly period, gave birth to a fourth son weighing three kg
with 48 cm long all by herself early Monday morning.

The night before giving birth, Sriyani 48 kg in weight and 156 cm tall, still played badminton, Indra said, adding that she was in a normal health.

However, at 4 am the woman after defecating, had to return to the toilet because of pain in her belly, where she gave birth to the baby boy.

Sriyani already has three children -- Sintia Juliani (11), Yuda Prasetyo (10) and Silvi Devani (7).

According to Indra, he and his wife had never experienced anything out of the ordinary.

Sriyani said, although she had been taking contraceptive pills for the last eight months, her monthly period was normal.