Vol 4: Ch 205 - Tae's search on pregnancy
After that chat with them, Rei already asleep and sleeping on the lap of her husband while Tae searching about a pregnant woman's personality and characteristics and then about pregnancy on his phone because of the sudden changes in his wife's behavior and this is what he found out of his search.
[A/N: This is also what I found out since I'm also researching it for preference to my novel]
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Strong moods and emotions are very common in pregnancy, but when do they become more than just normal pregnancy changes? We look at what you should look for and when to seek medical advice.