She needs to keep her weight steady because she wants to have a baby, but she loses weight because of fasting. Can she break the fast in Ramadan?
Question

                My husband and I have been trying to have a child for three years without success, so I decided to take fertility drugs, which requires me to keep my weight steady and not fall below a BMI of 19, otherwise the procedure will never succeed. But because of my high metabolism, it is very easy for me to lose weight, and very difficult for me to increase my weight. Because of fasting in the month of Ramadan, I lost approximately five kilograms, which led to my BMI falling below the minimum required. Is it permissible for me to not fast during the upcoming month of Ramadan, and to make up these days later on, so that I will be able to maintain the minimum average BMI that is required for the procedure to succeed?
Praise be to Allah.
	Islam allows breaking of the fast during Ramadan for those 
	who are sick or travelling, and for those who have reached such a great age 
	that they are unable to fast, and pregnant and breastfeeding women if they 
	fear for their babies or themselves. It allows these people to break the 
	fast because of difficulty or fear of harm or death. 

	The situation that you have asked about does not come under 
	any of these categories for whom it is permissible to break the fast, and 
	cannot be compared by analogy to any of them. Fasting does not cause you 
	difficulty that will lead to harm. Please see the answer to question no.
	38532. 

	With regard to its impact on having children, as you 
	mentioned in the question, this does not come under the heading of 
	necessities that make it permissible to break the fast, for the following 
	reasons: 

	Firstly: 

	You have eleven months between one Ramadan and the next, 
	which is sufficient time to focus on treatment and trying to resolve the 
	matter. 

	Secondly: 

	Whilst fasting, you can follow some methods of rest and 
	nutrition that will help you to keep your weight steady, and avoid physical 
	exertion. You can also restrict yourself whilst fasting to obligatory duties 
	only, and get a lot of rest. 

	Thirdly: 

	Keeping your weight steady, as the doctors say, plays a role 
	in fertility, but keeping it steady does not guarantee that you will have a 
	child. The matter is entirely in the hand of Allah, may He be exalted.

	Allah, may He be exalted, says (interpretation of the 
	meaning):

	“To Allah 
	belongs the kingdom of the heavens and the earth. He creates what He wills. 
	He bestows female (offspring) upon whom He wills, and bestows male 
	(offspring) upon whom He wills.

	Or He bestows both males and females, and He renders barren 
	whom He wills. Verily, He is the All-Knower and is Able to do all things”

	[ash-Shoora 42:49-50]. 

	Based on that, you can take some measures to help you get 
	pregnant and have a baby without giving up on the obligatory fast. You have 
	to strive hard in supplication, then the matter is entirely in the hand of 
	Allah, may He be exalted. 

	And Allah knows best.