There is no nothing wrong with getting pregnant whilst breastfeeding

No File Exists
Check below answers in case you are looking for other related questions:
Breastfeeding a child during pregnancy
Does the husband have the right to dispose of his wife’s money?

No File Exists
Related Answers:
He jokes with his wife and says: “If you want So and so, take him”
He mistreats and ignores his wife’s mother
Does sleeping next to one’s wife cancel out the wudoo’ prescribed before sleeping?
Breastfeeding a child during pregnancy
Does the husband have the right to dispose of his wife’s money?

Recommended answers for you:
Does nail polish invalidate wudoo’ and do the prayers have to be repeated?
His wife is not very interested in intercourse so he resorts to masturbation
Conditions of wiping over socks
How should we return the greeting of salaam from a non-Muslim?
Responding to a kaafir when he says salaam to a Muslim